Richen Adjustable Knee Support Band Brace Strap for Running,basketball Outdoor Sport,one Size Fits Mos,set of 2 Adjustable design offers firm support according personal knee's curves,protects Knee the risk of injury during activity. Built-in high quality flexible slims, prevent damage and reduce pain for some outdoor sports; Double Knot Design,fully adjustable,fit up to 18-in and adjust tightness; breathable ok fabrics, soft and lightweight for a comfortable fit; Ideal relief for jumper's knees and effective in protecting against knee tendon fatigue and inflammation.