product details:It is blended with nylon and latex yarn and has the characteristics of both. It has properties such as toughness, good wear resistance, high tensile strength and fast .Elastic and elastic , the tensile elasticity is not deformed, the elastic is suitable, it is not easy to , and it fits comfortably.The non- silicone is and -friendly, making it easy to off even when running.The fits, the integrated knitting process, to the joints and muscles, strengthen the fastening and protect the joints.Description:Name: High quality knee padsFeatures: warm, soft, breathableFunction: protect the knee, prevent arthritis, relieve joint Size:XL: suitable for leg circumference: 53-58 cm/20.87-22.83 inches : 1 pieceColor: green + blackMaterial: NylonLength: 27 cmPackage Included:1*Sports knee padsNotes: Transition: 1cm=10mm=0.39inchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.