DescriptionWe all know that knee not only plays an essential role in sports but also is a very weak part which is prone to injury and always pains in rainy days after being hurt. At this time, a protective knee supporter is very useful which can effectively relieve pain, keep warm to improve the blood circulation and improve the knee's bearing capability. It is really a wonderful gadget suitable for any sports.Features- Color: Black. - Material: Polyester & Spandex. - Size: Size M. - Upper Circumference: Approx.13.4 inch / 34 cm. - Down Circumference: Approx.8.7 inch / 22cm. - Total Length: Approx.22.4 inch / 57 cm. - Can effectively prevent the injury on the knee joint, and well relieve the joint pain caused by being hurt. - Provide a strong support and compression to the knee and surronding areas, and improve the bearing capability of the knee joint. - Keep warm and breathable design, to improve the blood circulation. - Anti-UV, can keep your leg knee warmer in cold weather. - for Cycling, basketball, football, and other activities.