Most ear plugs fail not because they are low quality, but because they are the wrong size. You can spend good money on a pair rated at 32dB noise reduction and still wake up to every car alarm, snoring partner, or early-morning construction clatter, simply because the foam tip never formed a proper seal. This ear plug size guide exists to fix that. Whether you are working through ATTENU8’s three included tip sizes for the first time or troubleshooting a fit that has never felt quite right, what follows is a specific, no-nonsense walkthrough of how ear canal anatomy, tip size, insertion technique, and seal quality all interact to determine the noise reduction you actually get, not just the number printed on the box.

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Why Size Matters More Than the NRR Rating

The Noise Reduction Rating stamped on every pack of ear plugs is measured in a controlled laboratory under ideal conditions. In practice, the number you see on packaging is the theoretical ceiling, not the floor you can count on. Regulatory bodies including NIOSH recommend applying a significant real-world derating factor to any labeled NRR, precisely because insertion technique and fit vary so much person to person.

A correctly fitted ear plug at a moderate rating will outperform a higher-rated plug that does not seal properly. The seal is the mechanism. Without it, sound bypasses the attenuating material entirely, traveling through the gap between the foam tip and your ear canal wall. No amount of rating points compensates for an air gap.

This is the core problem with one-size disposable foam plugs. They assume a canal geometry that many people, particularly women and smaller-framed adults, simply do not have. ATTENU8’s approach of including three tip sizes, XS, S, and M, with every pair acknowledges what the disposable foam industry largely ignores: ear canals vary significantly enough that a single size is a coin flip for a large portion of the population.

A plug that fits correctly does less work because it does more work. The foam does not need to compensate for gaps it cannot fill if it is already flush against the canal wall.

Understanding Ear Canal Anatomy

Before you can choose the right tip size, it helps to understand what you are fitting. The ear canal is not a straight tube. It has a slight curve, and its internal dimensions vary between the outer cartilaginous section, which is more flexible, and the inner bony section, which is not. Most reusable ear plug tips sit in the outer section, which is why material compliance matters so much.

How Ear Canal Dimensions Vary

Research into ear canal anthropometry consistently shows that men’s canals are on average longer, wider, and deeper than women’s. The difference between the height and width of the ear canal opening alone can vary by roughly 40% across a population. This is not a minor variation. It means a medium tip that seals perfectly for one person may be loose in a narrower canal and uncomfortable in a wider one.

Beyond biological sex, canal shape also varies by ethnicity, age, and individual anatomy. Two people of identical height and build can have measurably different canal geometries. This is why self-testing with the included sizes, rather than assuming a size based on general body size, is the only reliable method.

Three memory foam ear plug sizes (XS, S, M) arranged in size order showing texture differences
Diagram illustrating proper ear plug fit within ear canal anatomy for different tip sizes

Why the Canal Shape Changes Everything

The slight curve of the canal is why pulling the outer ear upward and backward during insertion matters so much. That gentle tug straightens the canal temporarily, allowing the tip to travel further in without meeting the curve as resistance. Skip this step and the tip sits at an angle, pressing on one wall while leaving a gap on the other.

Memory foam is uniquely suited to this anatomy because it compresses for insertion, then expands slowly to conform to whatever shape it encounters. A silicone or rigid flanged tip cannot do this. It either fits or it does not. Memory foam bridges the gap between sizing categories, which is why even a tip that is slightly smaller than ideal can still form an adequate seal if it expands fully before you release it.

How to Choose Your Tip Size: XS, S, or M

ATTENU8 includes all three sizes in every pack precisely so you can test, not guess. The instinct to reach for medium is understandable, but it is wrong as often as it is right. Here is how to work through the selection properly.

Start With S, Not M

Medium is the industry default, but the population skews smaller than most manufacturers assume, especially among women and adults from East Asian backgrounds. Starting with S gives you a reference point. If an S tip feels loose or you can feel slight pressure relief when you press the plug further in, move to M. If S feels snug and slightly difficult to remove after expansion, stay there.

The correct size should require gentle effort to remove, not a firm tug and not a pinch. If a tip slides out without resistance after full expansion, it is too small. If removal causes discomfort, it is probably too large, or you have pushed it too deep.

Signals That Tell You a Tip Is the Wrong Size

These are the clearest indicators to act on. A tip that is too small will feel loose, allow you to hear ambient noise clearly even after full expansion, and may gradually work its way out during sleep as you move. A tip that is too large will be difficult to insert correctly, may cause a pressure sensation rather than a seal sensation, and can cause soreness with extended wear.

The correct fit produces a specific sensation: a slight muffling of your own voice as you speak or hum, and a sense of even, distributed pressure around the canal opening rather than a point of pressure on one side. That muffled self-voice test is one of the most reliable quick checks available without specialist equipment.

Pro tip: Try each size in both ears separately. It is not uncommon for a person’s left and right ear canals to differ slightly in diameter. Some ATTENU8 users find they need an S in one ear and an M in the other, and using mismatched sizes is entirely appropriate if that is what seals correctly.

Insertion Technique: The Steps That Actually Create a Seal

Choosing the right tip size is half the equation. The other half is insertion. A correctly sized tip inserted incorrectly will underperform a slightly smaller tip inserted well. The technique below applies to ATTENU8’s memory foam tips specifically, though the principles apply to any compressible foam tip.

Step One: Compress the Tip Fully

Roll the memory foam tip between your thumb and index finger until it is compressed to roughly half its resting diameter. With standard disposable foam plugs, you would roll the entire plug into a thin cylinder. With ATTENU8’s design, you are compressing the tip only, not the aluminium body. Hold the compression for two to three seconds so the foam has time to settle before you insert it.

A common mistake is releasing compression too early. If the foam begins expanding while you are still positioning it at the canal opening, it will not travel far enough in to seal correctly.

Step Two: Pull the Ear and Insert

Reach over your head with your free hand, grasp the top of your outer ear, and pull it gently upward and backward. This straightens the canal. While holding this position, slide the compressed tip into the canal with a gentle rotating motion, aiming slightly forward and downward. Do not shove it. Resistance that requires force means the tip is too large or the canal is not straightened enough.

Workspace scene with ear plugs, acoustic reference materials, and noise monitoring tools for sound testing

Step Three: Hold While the Foam Expands

This is the step most people skip. Keep the plug held in position with a light fingertip pressure for a full 20 to 40 seconds while the memory foam expands. Memory foam requires time to return to its resting shape after compression. Releasing before full expansion means the tip may settle short of the canal wall, leaving a gap.

The distinction between memory foam and standard PU foam matters here. Standard foam expands in roughly 10 seconds. Memory foam, which is denser and more heat-responsive, takes longer but conforms more precisely once it does expand. That conforming quality is what delivers the consistent seal across multiple wearings that disposable foam cannot replicate.

Pro tip: Insert your ear plugs while sitting, then gently lie down for sleep rather than inserting them while already lying on your side. Gravity assists the initial positioning, and you avoid the awkward angle that comes from trying to compress and insert while your ear is pressed against a pillow.

Testing Your Seal Before You Sleep or Work

Never assume the seal is correct. Run a quick check every time, particularly in the first few uses with a new tip size. It takes under 30 seconds and tells you immediately whether you need to reinsert.

The Voice Muffle Test

Hum or say a word aloud immediately after insertion. With a good seal, your own voice will sound noticeably louder and more resonant inside your head, as if you are speaking into a closed space. This is the occlusion effect, and it is your primary confirmation that the seal is working. If your voice sounds normal or you can easily hear ambient noise at conversational levels, the seal is incomplete.

The Cup Test

Cup both hands firmly over your ears while the plugs are in. If the ambient noise level does not change significantly when you cup your hands, the plugs are doing the work. If cupping noticeably reduces ambient noise beyond what the plugs alone are doing, there is a gap in the seal. Remove the plugs, recompress, and reinsert, or try a larger tip size.

For workers in industrial or construction environments, a proper fit check is not optional. The gap between a correctly sealed 32dB plug and a poorly fitted one under the same conditions can mean the difference between protected hearing and cumulative damage across a long shift.

Tip Type and Size Comparison

Understanding how ATTENU8’s memory foam tips compare to the main alternatives helps clarify why size selection and insertion technique have such different levels of importance across plug types.

Tip Type Size Adjustability Seal Quality Dependence on Technique
Memory foam (ATTENU8 XS/S/M) High. Three discrete sizes plus foam conforming to canal shape. Tolerates minor size mismatch through expansion. Moderate. Compression and hold time matter, but the foam compensates for minor technique errors once expanded.
Standard disposable PU foam Low. Single size per product. No size selection without buying a different product. High. Correct rolling and insertion are critical because the foam expands fast and leaves no time to correct position.
Silicone flanged tips (Loop-style) Moderate. Multiple sizes available, but flanged silicone does not conform, so correct size is non-negotiable. Low to moderate. Insertion is simpler but relies entirely on the tip diameter matching the canal diameter precisely.

The practical implication: memory foam rewards patience during insertion but is more forgiving on size. Silicone flanged tips are quicker to insert but punish a wrong size choice immediately. Disposable foam is the least forgiving on technique. ATTENU8’s combination of a rigid aluminium body (which gives you something to hold and position precisely) with slow-expanding memory foam tips threads the needle between the control of flanged designs and the conforming seal of disposable foam.

Maintaining Your Memory Foam Tips

The performance of a memory foam tip degrades over time for two reasons: the foam loses its elasticity as it is compressed and re-expanded repeatedly, and it accumulates earwax and skin oils that stiffen the surface and reduce its ability to conform. Neither of these processes is immediately obvious, which is why scheduled replacement matters more than waiting for a visible sign of wear.

Replacement Schedule

ATTENU8’s guidance places replacement at every 6 to 8 weeks for regular nightly use. At that point, the foam will typically have undergone enough compression cycles that it no longer expands fully. You may not notice a gradual degradation in seal quality, but it will be there. A simple check: compress the tip and time its return to full shape. Fresh memory foam should recover fully within 30 to 40 seconds. If a tip springs back quickly like standard foam or barely recovers at all, it is past its effective life.

This replacement model is a significant practical advantage over single-use foam plugs, which require complete replacement after every use, and over silicone-tip designs from competitors where you typically replace the entire assembly rather than just the consumable foam component. Replacing only the foam tip keeps long-term cost low and eliminates the waste of discarding functional metal hardware.

Cleaning Between Replacements

Wipe the aluminium body with a damp cloth after each use. Do not submerge the foam tips in water or use solvent-based cleaners on the foam itself. Water softens the foam structure and accelerates breakdown of the cell matrix that gives memory foam its slow-rebound property. A dry wipe after each use is sufficient maintenance for the tips between replacements.

Store the plugs in their case when not in use. Leaving memory foam exposed to sunlight or high heat (such as a car dashboard in summer) will accelerate the degradation of the foam. The aluminium body is indifferent to these conditions, but the tips are not.

Frequently Asked Questions

Which tip size should I start with if I have never used reusable ear plugs before?

Start with S. Medium is the assumed default across the industry but fits a smaller portion of the population than manufacturers imply. S gives you a calibration point. If the seal test fails or the tips feel loose after full expansion, move to M. If S causes discomfort or is difficult to insert, try XS. Most adults find either S or M works well, with XS being the right choice for smaller ear canals, including many women and younger adults.

Can I use different tip sizes in my left and right ear?

Yes, and you should if that is what seals correctly. Left and right ear canals are not always the same diameter. If your seal test passes in one ear but not the other with the same size, switching to the next size up in the looser ear is the right call. Using matched sizes when they do not both seal correctly is a false economy.

How do I know if my ear plug is inserted deep enough?

The tip should sit with most of the foam inside the canal, with only the aluminium body visible or protruding slightly from the ear opening. If you can see or feel the foam tip protruding, it has not traveled far enough in. Re-pull your ear upward and backward, and reinsert with the tip more compressed. You should not feel pain during correct insertion. Discomfort that persists beyond the first few seconds usually means the tip is too large or you have pushed it against the canal wall at an angle.

Why do my ear plugs seem to work less well after a few weeks even though I have not changed my technique?

The foam tips are likely past their effective life. Memory foam loses its slow-rebound characteristic after repeated compression cycles, which reduces how fully it expands against the canal wall. If your plugs worked well initially and have degraded over six or more weeks of nightly use, replacing the tips with fresh ones of the same size is the first step. Technique only explains failures that appear from the start, not gradual degradation over time.

Is a 32dB noise reduction rating enough for construction or industrial work?

It depends on the ambient noise level you are working in, but 32dB places ATTENU8 among the higher-rated options available. The practical protection you receive will be less than the rated figure under real-world conditions, which is why correct fit and seal are so important in occupational settings. If your workplace requires a specific real-ear attenuation figure for compliance, verify that the fitted plug meets it. For most construction and manufacturing environments, a well-fitted 32dB plug is sufficient protection for the duration of a standard shift.

Does tip size affect comfort for side sleepers specifically?

Yes. Side sleepers put lateral pressure on the ear canal from pillow contact, which can push an oversized tip against the canal wall and cause soreness by morning. Side sleepers often find one size smaller than their seated fit works better, because the pillow compression adds effective diameter. ATTENU8 also includes flat base foam tips designed specifically for side sleeping, which reduce the protrusion that causes pressure points. If standard tip sizing causes ear soreness by morning, try the flat side-sleeper tips before assuming the product is not right for you.

Have you tried multiple tip sizes with your ATTENU8 ear plugs, and did you find your two ears needed the same size or different ones? Share what worked for you in the comments.

References

Most people who complain that ear plugs do not work are not using the wrong product. They are using the wrong size. A poor fit leaves microscopic gaps around the ear canal, and those gaps are enough to let traffic noise, snoring, or construction sounds pour straight through. Research published by the National Institute for Occupational Safety and Health confirms that an improperly fitted ear plug can reduce its rated noise attenuation by more than 50 percent in real-world use. Getting your ear plug sizes right is not a preference issue. It is the single most important variable in whether your hearing protection actually works.

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Why Ear Plug Size Matters More Than You Think

A common mistake is treating ear plug sizing as optional, something you figure out after purchase and work around if the fit is imperfect. In practice, the ear canal is one of the most variable anatomical features across the human population. Some adults have ear canals as narrow as 5mm in diameter. Others exceed 11mm. That is a more than twofold range, and standard one-size foam plugs simply cannot accommodate it reliably.

The consequence of an oversized tip is pain, pressure, and the urge to remove the plug during the night exactly when you need it most. The consequence of an undersized tip is acoustic leakage: low-frequency sounds such as traffic rumble and snoring bass tones slip around the plug and reach the eardrum almost unimpeded. Neither outcome is acceptable when you are trying to sleep or protect your hearing on a worksite.

ATTENU8 addresses this directly by including three tip sizes, XS, S, and M, with every pair of its aluminium-bodied ear plugs. That design choice is not a marketing feature. It is an engineering necessity driven by the reality of human anatomy.

The Anatomy Behind Ear Canal Sizing

The ear canal is not a straight tube. It curves inward and slightly upward from the outer opening, and its walls are lined with skin that reacts to foreign objects by generating pressure signals interpreted as discomfort. This is why a tip that feels fine for ten minutes can become genuinely painful after an hour in bed.

Canal Width Versus Canal Depth

Two dimensions matter when sizing ear plugs. The first is the width of the canal opening, which determines how large a tip you can insert comfortably. The second is the depth at which the tip needs to sit to create a full acoustic seal. Most consumer ear plugs, including traditional single-use foam rolls, are designed to sit at a shallow to mid-canal depth. Premium reusable options with memory foam tips, like those ATTENU8 uses, conform to the canal walls at the correct insertion depth rather than relying on radial pressure alone.

How Left and Right Canals Differ

The data consistently shows that a meaningful percentage of adults have ear canals that differ in size between the left and right ear. This is not unusual. It means the ideal tip size for your left ear may be one size smaller or larger than your right. ATTENU8 supplies multiple tip sizes per pack precisely to handle this reality. Do not assume symmetry before you test.

“Hearing protector fit testing has demonstrated that the real-world attenuation achieved by workers is substantially lower than laboratory-rated values, primarily due to improper insertion and sizing.” – National Institute for Occupational Safety and Health (NIOSH), Hearing Protector Effectiveness Research

XS, S, and M Ear Plug Tips: Which One Is Yours

ATTENU8 memory foam tips come in three sizes. Understanding what each one is designed for saves you the trial-and-error cycle that frustrates most first-time users of multi-size systems.

XS Tips

XS tips are designed for narrow ear canals, typically found in smaller adults, many women, and some younger adults. If you have previously found standard foam ear plugs painful or difficult to insert fully, XS is your most likely starting point. An XS tip that fits correctly will expand to fill the canal without creating a feeling of outward pressure against the canal walls.

S Tips

S tips cover the most common adult ear canal range. In practice, the majority of users land on S as their correct size. If you have used standard foam earplugs without significant pain but also without a reliably good seal, an S tip properly inserted will outperform what you have experienced before. The memory foam conforms to the unique contour of your canal rather than applying uniform radial pressure like a cylinder of compressed foam does.

M Tips

M tips suit wider ear canals and users who have historically found that ear plugs fall out easily during sleep or physical activity. If an ear plug consistently migrates out of your canal overnight, it is almost certainly undersized. An M tip that fits correctly stays seated without needing to be pushed in aggressively.

Pro tip: Start with the S tip for both ears on your first fitting session. Then use the simple seal test described in the section below before committing to that size. If one ear fails the test, move to M. If insertion feels uncomfortable or tight, try XS.

Three ear plug foam tips in different sizes (XS, S, M) displayed side by side for size comparison
Diagram comparing proper ear plug fit with complete seal versus poor fit with gaps around ear canal

How to Fit Ear Plugs for a Proper Seal

Knowing your size is half the equation. The insertion technique determines whether that size performs at its rated 32dB noise reduction or underperforms by a significant margin. This is where most users, even experienced ones, lose most of their noise attenuation.

Step-by-Step Insertion for Memory Foam Tips

Pull your outer ear (pinna) upward and slightly backward with the opposite hand before inserting the plug. This straightens the natural curve of the ear canal and opens the entry point. Insert the tip with a gentle rotating motion rather than pushing straight in. Once the tip is at the canal opening, hold it gently in place for 20 to 30 seconds while the memory foam expands to fill the space. Releasing too early before the foam has fully expanded is the single most common cause of an incomplete seal.

The Right Insertion Depth

The tip should sit far enough inside the canal that the outer face of the foam sits flush with or just inside the canal opening. You should not be able to see a significant gap between the tip and the canal wall when looking in a mirror. If the foam tip is still visibly proud of the canal entry, it has not been inserted to the correct depth.

With ATTENU8’s aluminium-bodied design, the rigid body of the plug gives you a reliable grip point for insertion without compressing the foam tip before it enters the canal, a problem that plagues traditional roll-down foam plugs where you compress and insert before the foam has time to re-expand fully.

Pro tip: If you are fitting ear plugs for sleep, do your fitting session while standing in a well-lit room before bed rather than lying down in the dark. Proper insertion requires both hands and clear visibility, especially during the first few uses of a new size.

Testing Your Seal Before You Rely on It

A properly fitted ear plug produces a very specific subjective experience: your own voice sounds louder and more resonant when you speak (the occlusion effect), external ambient sounds drop noticeably, and there is a mild but not painful sense of fullness in the ear. If you do not get all three of these indicators, the seal is incomplete.

The Palm Cup Test

With both plugs inserted, cup both palms firmly over your ears. If you hear a significant increase in sound when you cup your hands compared to without the plugs seated, your plugs are not sealed. A properly seated plug means cupping your hands adds almost nothing because the plug is already blocking the canal. A leaking plug means the extra barrier of your palms makes a noticeable difference.

The Ambient Sound Drop Test

Insert one plug at a time. With one ear open and one sealed, stand in a normally ambient environment and compare the perceived loudness between ears. The plugged ear should sound substantially quieter, not just marginally different. If the difference is subtle, re-insert with the correct technique and retest.

Person inserting an ear plug using correct fitting technique to test for proper seal

Comparison: Sizing Approaches Across Ear Plug Types

Not all ear plug systems approach sizing the same way. Understanding the trade-offs helps you see exactly why a multi-tip system with memory foam outperforms alternatives for consistent noise reduction across different users and use cases.

Sizing Approach How It Works Noise Reduction Consistency
Single-size roll-down foam (standard disposable) User compresses foam, inserts, and waits for expansion. One diameter fits all canal sizes by relying on high radial pressure. Highly variable. NIOSH data shows real-world attenuation is often 50 percent or less of the rated NRR due to sizing and insertion failures.
Silicone flange tips (multiple sizes) Rigid flanges create a mechanical seal at set diameters. Users select the flange size closest to their canal width. Good when sized correctly, but the rigid structure does not conform to canal shape variation, leaving gaps in irregular canals.
Multi-size memory foam tips on a rigid body (ATTENU8 XS, S, M) User selects the nearest size then inserts using a pull-and-rotate technique. Memory foam expands and conforms to the exact canal profile. High and consistent. Foam conformation eliminates gaps caused by canal irregularity, and the rigid aluminium body preserves tip shape during insertion.

Common Fitting Mistakes That Destroy Noise Reduction

After working through the sizing and insertion process, the following errors account for the vast majority of cases where users report that their ear plugs are not performing as expected.

Choosing Size Based on Comfort Alone

A common mistake is selecting the smallest tip that does not cause discomfort and stopping there. Comfort is necessary but not sufficient. A tip that is one size too small for your canal may feel pleasant because it causes no pressure, but it will not expand to fill the canal walls and will leave an acoustic gap. The correct size feels snug but not painful, and produces the occlusion effect described above.

Not Replacing Tips on Schedule

Memory foam degrades with repeated compression and contact with skin oils. ATTENU8 recommends replacing tips every 6 to 8 weeks under regular use. A worn tip does not expand fully, which means a size that fitted correctly in week one may be effectively undersized by week ten. The aluminium body of ATTENU8 plugs is designed to last for years. Only the foam tips need periodic replacement, and this is a significant cost and waste advantage over disposable plug systems.

Inserting Without Straightening the Canal

Skipping the step of pulling the pinna upward and back before insertion means you are trying to push a tip around a curve rather than into a straightened tube. The tip seats at the bend, not at the correct depth, and the acoustic seal is incomplete. This mistake is nearly universal among first-time users of any ear plug system.

Using the Same Size Without Testing Each Ear

Asymmetric ear canals are common enough that assuming both ears take the same tip size is a genuine risk. Always test each ear independently with the seal tests above before finalising your size selection for each side.

Frequently Asked Questions

How do I know which ear plug size I need before buying?

The most reliable method is to start with a medium (S) tip and test the seal using the palm cup test and the occlusion effect check. If the seal fails or insertion is painful, adjust one size in the appropriate direction. Most adults find S fits one or both ears correctly. ATTENU8 includes all three tip sizes with each purchase, which eliminates the need to guess before buying.

Can ear plug sizes differ between my left and right ear?

Yes, and this is more common than most people assume. Ear canal dimensions are not necessarily symmetrical across the two sides of the same person. Always test each ear independently and do not assume the size that works for your right ear will work for your left. ATTENU8 provides multiple tip sizes per pack specifically to accommodate this variation.

How do I know if my ear plug seal is actually working?

Three indicators confirm a correct seal: your own voice sounds louder and more resonant when you speak (the occlusion effect), ambient room noise drops substantially, and the palm cup test produces minimal additional sound reduction. If cupping your hands over the plugged ears makes a noticeable difference, the plug is not fully sealing the canal.

How long do memory foam ear plug tips last before they need replacing?

Under regular nightly use, memory foam tips should be replaced every 6 to 8 weeks. The foam loses its elasticity over time due to repeated compression and exposure to skin oils, which reduces its ability to expand and fill the canal wall. ATTENU8’s design means only the foam tips need replacing, not the entire plug, which keeps the long-term cost well below disposable foam alternatives.

What is the difference between ear plug sizes and noise reduction ratings?

Ear plug size determines whether the plug physically seals your canal. The noise reduction rating (NRR or SNR) describes the maximum attenuation a correctly fitted plug can deliver. An incorrectly sized or poorly inserted plug never reaches its rated attenuation, regardless of how high the NRR figure is. Getting the size right is what allows the rated figure to be realised in practice. ATTENU8’s 32dB noise reduction is achievable only when the correct tip size is properly inserted.

Are larger ear plugs better for noise reduction?

No. A larger tip than your canal requires does not increase noise reduction. It creates discomfort, outward pressure, and often a paradoxically worse seal because the tip cannot seat at the correct depth. The correct size for your canal, properly inserted, delivers the full rated noise attenuation. Oversizing is as problematic as undersizing.

Can I use ear plugs if I have never used them comfortably before?

In most cases, previous discomfort comes from using the wrong size or an incorrect insertion technique, not from an inherent intolerance to ear plugs. The two most common causes are tips that are too large creating canal wall pressure, and tips inserted without straightening the canal first. Starting with an XS tip and using the pinna-pull technique before insertion resolves the problem for the majority of people who believe they simply cannot wear ear plugs.

Have you struggled to find the right ear plug size, or do you have a fitting tip that worked for you? Share your experience in the comments.

References