Made by Nike, their Closed Patella Knee Sleeve has been created to provide compressive support and breathable comfort. Created from rubber, nylon and spandex, this support offers light and flexible compressive support but without sacrificing on strength. Aided by a ventilated stretch construction, and a mesh panel behind the knee joint, this allows you to keep cool whether active or relaxing. A plain black design is joined by a grey trim to the sleeve and the signature Nike Swoosh stitched in white. For optimum fit please take note of these Nike sizing guidelines: S: 13' '- 15.5'' / 33cm - 39cm M: 15.5'' - 18'' / 39cm - 47cm L: 18'' - 20.5'' / 47cm - 53cm XL: 20.5'' - 23'' / 53cm - 60cm