Size: width: 3.9", adjustable length: approx. 13.9"~15". Unisex design and adjustable design helps to fit you very well Material: made of polar fleece outer material with fuzzy lining, windproof, warm, soft and comfortable The earmuffs covers your ears and warm enough for outside or leave it on inside. Great for wearing in cold winter while running, cycling, hiking, skiing, camping, hiking or any outdoor activities Lightweight & easy to carry: you can fold it up and store in your pocket or your backpack easily, convenient to use and carry Keeps warm in all the winter. Great winter accesory for yourself. A practical and thoughtful gift for your family and your friends KRATARC Earmuffs Ear Warmer Unisex Men Women Fleece Ear Cover Winter Accessory Outdoor - B7L847BW0