Thank you for viewing! Warm boa ear muffs ⛄️❄️ to prepare before your ears hurt. They fold up compactly and fit neatly in your bag or pocket ☺︎!! Many northern fishermen are also users of this product♪ This type goes around the back of the neck, so your hairstyle won't be ruined and it won't slip. It has ventilation holes, so you can use your smartphone as is! With a simple design, it can be used by people of all ages, regardless of age (˃̵ᴗ˂̵)!! There are two sizes for the ear pad part. This is the regular size. ▼Color → Gray ▽Size → Diameter of the ear pad part: Approximately 14cm