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 winterThick 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 strapNot only have a 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 / Year/ / gift for yourself， friends and families