SIZE: M: Outer length - 29cm, outer width - 45cm, inner length - 23cm, inner width - 12cm, suitable for leg circumference - 35-42cm, suitable for weight - 40 to 50kg. L:Outer length - 29cm, outer width - 47cm, inner length - 23cm, inner width - 13cm, suitable for leg circumference - 40-50cm, suitable for weight - 50-75kg. XL: Outer length - 29cm, outer width - 49cm, inner length - 23cm, inner width - 14cm, suitable for leg circumference - 50-60cm, suitable for weight - 50 to 100kg. Material: Faux Wool+Cashmere. Skin-friendly, breathable, stretchy, thick, thermal, keep you knee and leg warm in cold winter Thick cashmere padded design, provide gentle support for a weak, injured and arthritic knee. Helps keep affected area warm after injury and during recovery. Easy to take off and wear with the adjustable fastening strap 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, Fishing, Running, Dance, Yoga and days out Elder men women arthritis rheumatism cold weather cozy warm elastic knees support pads outdoor sports ski cycling motorcycle basketball running kneepad leg knee warmer sleeve, a greatChristmas/New Year/Holiday/Birthday gift for yourself, friends and families