Age : Above 13 Material : Nylon, latex , spandex, Silicone Age : ADULT compression knee : breathable knee sleeve incrediwear knee sleeves : compression knee calf sleeve knee brace : knee brace swelling ace knee support : copperjoint knee compression copper sleeve : recovery knee sleeve Package included:   1PCS * Knee Pad  (1Pcs ,not 1 Pair) Size: M/L/XL/XXL M-- Top width 16cm, down width 14cm,  Recommended leg  circumference 36-43 cm, Suit for weight: 40-60KG L-- Top width 17cm, down width 15cm,  Recommended leg  circumference 41-48 cm, Suit for weight: 60-75KG XL-- Top width 18cm, down width 16cm,  Recommended leg  circumference 46-53 cm, Suit for weight: 75-95KG XXL-- Top width 19cm, down width 17cm, Recommended leg  circumference 53-60 cm, Suit for weight: 95-110KG Specialist recommendation the use of compression knee sleeves for knee exercises which applies moderate pressures to strengthen knee support and maintains joint stability without getting in the way. The optimal compression will warm the surrounding muscles helping them to relax. Despite the tightness of the sleeve, the flexible material is still breathable to keep sweating to a minimum. Who may use our copper knee brace? Basketball players, tennis players, baseball players and golfers, - don't worry about muscle cramps and fatigue when training. Outdoor sports enthusiasts and athletes - you can train in the gym and field for longer and perform better.