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. , breathable, stretchy, thick, thermal, keep you knee and leg warm in cold wi Thick cashmere padded design, provide gentle support for a weak, injured and arthritic knee. s 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, for outdoor activities in cold seasons, such as Cycling, Biking, cycle, boarding, mobile, Skiing, Camping, Hiking, Climbing, , ing, Running, , Yoga and 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 great /New Year/ / gift for yourself, friends and families