Prepare before your ears start to hurt! Warm Boa Ear Muffs ⛄️❄️ They fold up compactly and fit neatly in your bag or pocket ☺︎!! Many users are fishermen from the north! This type goes behind the neck, so your hairstyle won't be ruined and it won't slip. It has ventilation holes, so you can still use your smartphone! With a simple design, they can be used by people of all ages. (˃̵ᴗ˂̵)!! The ear cover part comes in two sizes. This is the larger size. ▼Color → Gray ▽Size → Diameter of the ear cover part: Approximately 14cm