SPHTOEO 1 Pair Sport Football Basketball Cycling Strech Leg Knee Long Sleeve-Black (M) Upper Circumference: 34CM, Down Circumference: 16CM, Total Length: 51CM Material: 80% polyester+20% spandex Elastic Strechy,Breathable Anti-UV, can keep your leg knee warmer in cold weather Ideal for Cycling, basketball, football, golf and other sport activities