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Swimming · custom-fit · made in the USA

Every lap floods your ears. That trapped water is how the misery starts.

Cheap $5 drugstore tree-flange plugs leak on the first flip turn, or seal you off so completely you cannot hear the coach, the start, or your own kid on the deck. And season after season of cold water can trigger surfer’s ear — bony growth that narrows the canal for good. You need a seal that actually fits.

Find my water fit ↓
Seals water out  •  Still hear the deck  •  Official Earplug of the YMCA
Custom Big Ear swimming earplugs with a Big Ear case
Why generic plugs fail

One-size rubber plugs were never built for the water.

The flip-turn seal break

Universal rubber and tree-flange plugs flex every time you push off the wall or duck a wave. Each flex cracks the seal, and water floods straight back in.

The trapped-water trap

A plug that almost seals is worse than none. It holds a film of warm water against your ear canal — exactly the dark, damp setup swimmer’s ear needs to take hold.

The deaf-on-the-deck problem

Plugs that finally block the water block everything else too: the coach, the whistle, the start beep, your training partner. So they come out at the worst moment, and the water wins.

The real fix

A seal cast from your own ear is the only thing water can’t beat.

Water finds every gap a one-size plug leaves behind. The only way to shut it out is a plug molded to the exact shape of your ear canal — cast from a 3D impression of your own ears, so it follows every ridge and has no gap to flex open. We build them in buoyant platinum-cure silicone, so if one slips out, it floats instead of sinking to the bottom of the pool.

A seal that holds

Molded to your ear, not forced against it, so it stays sealed through flip turns, dives, and waves.

Floats if it drops

Buoyant silicone means a dropped plug rises to the surface instead of disappearing to the bottom.

“This most recent set was to help with noise on the pool deck during indoor swim meets. I use these when driving with the top off the Jeep, at the range, and will be using them for college swim meets.”Stephen · verified Trustpilot review
Verified reviews

Rated Excellent on Trustpilot.

4.4out of 5
Excellent
Based on 72 reviews · Trustpilot
Read our reviews →
Find your water fit

Three ways to swim sealed. Which one are you?

Every pair is cast from your exact ear impression and hand-built in our South Carolina lab, in any color or swirl you want.

Custom Big Ear solid floating swimming earplugs in red
Lap swimmers · pool & lake · kids with ear tubes

Custom Floating Swim Plugs

A solid, buoyant block molded to your ear. Shuts water out and floats if it drops, so it never sinks to the bottom of the pool. Built to take chlorine and years of daily laps.

$139.95
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Custom Big Ear super-soft surfing earplugs in blue and yellow swirl
Surfers · cold & open water · long ocean sessions

Super-Soft Water Plugs

Our softest, most pliable custom silicone, with a flexing sealed membrane that equalizes pressure on every duck-dive. Built to help keep cold water out on long sessions — the cold-water exposure linked to surfer’s ear.

$169.95
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Custom Big Ear hear-through swimming earplug in red on a rock
Coaches · lifeguards · deck parents · triathletes

Hear-Through Swim Plugs

Keeps water out while letting sound and speech pass through naturally — so you still hear the coach, the whistle, and the conversation on the deck. Tuned to pass sound through, not filter it or seal you off.

$150.00
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Each hand-built in the USA • 30-Day Fit Warranty • Home impression kit included
Simple from here

How custom swim fitting works.

1
Order your kit

We ship a free home impression kit to your door. It leaves our facility in 2-3 business days.

2
Take your impression

About 10-15 minutes at home with the guided kit, or visit a provider, then mail it back with the prepaid label.

3
Swim sealed

We hand-build your custom plugs in our South Carolina lab, 40 business days from the day your impressions reach us.

The 30-Day Fit Warranty. If the fit is not right, tell us within 30 days of delivery and we will make it right. If an impression does not come out right, we send you another kit free.
The Big Ear Path
  1. 01Discover
  2. 02Decide
  3. 03Design
  4. 04Order
  5. 05Enjoy the best you’ve ever owned
Your next step

Build your solid custom pair — molded to your ear, sealed against the world.

Design your custom fit

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