Size: Suitable for adults and teenage girls and boys between 100-130 pounds, made of elastic material Material: Skin-friendly, breathable, stretchy, thick, warm, soft, comfortable to wear, keeps your knees and legs warm in cold weather Fastening method: pull on Mid-length and thickened design, 360-degree leg protection, flip-up for warmth and comfortable wearing. Made of elastic material, easy to put on and take off Not only has good windproof effect and practicality in various sports protection, it is also very suitable for outdoor activities in cold seasons, such as cycling, bicycling, motorcycles, snowboarding, snowmobiles, skiing, camping, hiking, mountain climbing, hunting, running and going out Men's Women's Rheumatoid Arthritis Winter Thermal Elastic Knee Sleeve Support Outdoor Sports Ski Motorcycle Basketball Volleyball Knee Sleeves Leg Knee Sleeves, a great Christmas, New Year, Holiday, Birthday gift for yourself, friends and family