Shimashima no Neko

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Earplugs that stay in all night

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Crescendo earplugs

I wake up to small noises. Foam earplugs helped me fall asleep but often fell out when I turned over. Silicone earplugs shaped like in-ear headphones fit better and stayed in until morning.

These are “flanged” earplugs

CRESCENDO 耳栓 睡眠用 イヤープロテクター Sleep 25 ホワイト
CRESCENDO 耳栓 睡眠用 イヤープロテクター Sleep 25 ホワイト
Dynamic Ear Company

I wanted sleep-specific ones, so I bought a model labeled “Sleep.” About 3,000 yen, but the elastomer silicone has not worn out after two months of reuse, and I am happy with them.

Moldex foam earplugs

The classic image of earplugs is the sponge type. I used orange/yellow years ago, then green recently. These foam type plugs are rolled thin, inserted, then expand. They soften with use, losing fit and sound blocking—meant to be disposable.

The new ones are flanged type, made of elastomer/silicone. They keep their shape and can be washed, so you can reuse them for a long time. “Flange” refers to the protruding rings on a cylinder—like pipe or muffler joints.

Sleep models cut about 25 dB

The pair I bought is rated 25 dB. This maker sells versions for DJs, fireworks, motorsports, hunting, etc., from 15-25 dB. Sleep uses the highest 25 dB—very effective.

Bananaz 音楽用イヤープロテクター ThunderPlugs Classic(サンダープラグスクラシック)耳栓
Bananaz 音楽用イヤープロテクター ThunderPlugs Classic(サンダープラグスクラシック)耳栓
バナナズ(Bananaz)

Before the sleep model I tried the Classic above. Reviews were good, but it only cuts 18 dB and the size did not fit me, so it was shelved.

Foam plugs can cut around 30 dB when new, clamping the ear canal and blocking most sound. If they did not degrade—or if disposable was fine—they would be great.

How flanged plugs adjust attenuation

Bananaz earplugs

There is a stem with a hole through the silicone. The hole size/shape sets the attenuation.

Bananaz Pro includes two filter stems (18 dB and 26 dB) you can swap. Use 26 dB to block more, 18 dB when you need to hear voices. Crescendo sleep is 25 dB; their office version is 20 dB; brass/jazz is 15 dB—lower when you must still hear.

Some products include multiple sizes

Bananaz had one size. Crescendo included two sizes; I have small ear canals (also use small ear tips on headphones), so the small size fit perfectly and stayed sealed all night. The larger Bananaz felt too big.

Ears can itch

With Moldex foam I sometimes had itchy ears. Silicone also sometimes itches, especially if ears are damp after a bath; timing the insertion reduced it. When they itch, I like that silicone plugs can be washed—just a drop of dish soap and water.

Fashion earplugs exist

Silicone plugs are small and unobtrusive. Some make them more noticeable, like accessories:

Loop Quiet 2 耳栓 – 睡眠 集中 移動 騒音過敏に適した超快適かつ再利用可能なノイズリダクション耳栓 | フレキシブルな聴覚保護具 | カスタマイズ可能なフィット感 | SNR値24dBのノイズリダクション
Loop Quiet 2 耳栓 – 睡眠 集中 移動 騒音過敏に適した超快適かつ再利用可能なノイズリダクション耳栓 | フレキシブルな聴覚保護具 | カスタマイズ可能なフィット感 | SNR値24dBのノイズリダクション
Loop

More people use earplugs at concerts, so these stylish ones target that demand. Colors include gold, silver, red, pink, etc. They ship with 12 ear-tip sizes—nearly guaranteed fit. Tempting.

I bought Loop Quiet, then lost one…

Loop-style earplugs from China

I used Loop Quiet for a while. Pricey, but the ear tips fit perfectly, and I thought it was a great buy. Then I lost one while out. Ouch.

Buying another 3,000 yen pair felt rough, so I grabbed a 1,000 yen set (500 yen on sale).

The shape is almost identical to Loop. It comes with three ear-tip sizes, and the attenuation is decent.

KMOSO 耳栓 睡眠用 遮音 ノイズ低減 40dB 快眠 安眠グッズ 騒音対策 リラックス 聴覚プロテクション 飛行機 勉強 いびき遮断 旅行 ライブ 仕事用 イヤチップ シリコン製 水洗い可能 男女兼用 1ペア(S・M・Lサイズ x 各1セット)
KMOSO 耳栓 睡眠用 遮音 ノイズ低減 40dB 快眠 安眠グッズ 騒音対策 リラックス 聴覚プロテクション 飛行機 勉強 いびき遮断 旅行 ライブ 仕事用 イヤチップ シリコン製 水洗い可能 男女兼用 1ペア(S・M・Lサイズ x 各1セット)
KMOSO

Loop-style plugs hook onto the little ridge of your outer ear. You twist them in, which takes a bit of practice; after about three days I got it.

That hooked design is excellent and keeps them in place even when I roll over. The tips can loosen, but instead of falling out completely, the plug stays caught on the ear. I liked them enough to buy three pairs for backups and travel. The real Loop—maybe later.

Takeaways

I only knew foam plugs, kept using worn-out ones that fell out, or bought 100-yen spares that fell out again. Silicone flanged plugs were a huge improvement: fit, durability, washability. The “fashion earplug” genre was also a fun discovery; for live shows, appearance matters—worth exploring more.

Some Loop-style options are getting more common, with slightly better performance and more secure fit. Trying a budget pair is a decent way to see if the shape works for you.

Earplugs - Amazon.com

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