Length: 12", Width: 5", Fit Thigh Circ: 14"-23", one size fit most adults Material: Cotton+Acrylic+Spandex. Skin-friendly, breathable, stretchy, thick, thermal, soft and comfortable to wear, keep you knee and leg warm in cold weather Hand Wash Only Middle length and thick design, 360 degrees leg protection, upset to keep warm, wear comfortable. Easy to take off and wear with the elastic material Not only have a good effect weatherization and utility in a variety of sports protection, perfect for outdoor activities in cold seasons, such as Cycling, Biking, Motorcycle, Snowboarding, Snowmobile, Skiing, Camping, Hiking, Climbing, Hunting, Running and days out Adults teenagers students winter cozy warm elastic knees brace support outdoor sports ski motorcycle basketball volleyball kneepads leg knee warmers sleeves, a great Xmas/New Year/Holiday/Birthday gift for yourself, friends and families