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2. 15 Best Earmuffs for Winter That Will Keep You Toasty - AOL

   www.aol.com/15-best-earmuffs-winter-keep...

   Here are the best earmuffs and ear warmers for winter to shop in 2023. Foldable Polar Fleece Earmuffs These earmuffs are an Amazon best-seller, with nearly 4,000 5-star ratings.

3. The 15 Best Earmuffs to Elevate Your Winter Accessory ... - AOL

   www.aol.com/lifestyle/13-best-earmuffs-winter...

   $340.00 at Mytheresa. Down Behind-the-Head Earmuffs. If you prefer a behind-the-head fit, try a pair of 180s earmuffs. The popular winter accessory brand offers its foldable favorite in numerous ...

4. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   Two people wearing behind-the-neck earmuffs. Thermal earmuffs are worn for protection from the cold. Because the ears extend from the sides of the head to gather sound waves, they have a high skin surface-area-to-volume ratio, and very little muscle tissue, causing them to be one of the first body parts to become uncomfortably cold as temperatures drop.

5. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   In some occasions, multiple types of ear protection can be used together to increase the NRR. For example, foam earplugs can be worn in-conjunction with earmuffs. Each type of ear protection has what is called a noise reduction rating (NRR). This gives the consumer an estimate of how much noise is being reduced before reaching the individual's ear.

6. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   Using both ear muffs (whether passive or active) and earplugs simultaneously results in maximum protection, but the efficacy of such combined protection relative to preventing permanent ear damage is inconclusive, with evidence indicating that a combined noise reduction ratio (NRR) of only 36 dB (C-weighted) is the maximum possible using ear ...

7. Chester Greenwood - Wikipedia

   en.wikipedia.org/wiki/Chester_Greenwood

   Chester Greenwood (December 4, 1858 – July 5, 1937) was an American engineer and inventor, known for inventing the earmuffs in 1873. [1] He reportedly came up with the idea while ice skating and he asked his grandmother to sew tufts of fur between loops of wire. [2] His patent was for improved ear protectors. He manufactured these ear ...