SIZE : XS:Patella circumference less than 11.8 inch/30cm; S:Patella circumference less than 11.8-13 inch/30-33cm; M:Patella circumference less than 13-14.2 inch/33-36cm; L:Patella circumference less than 14.2-15.7 inch/36-40cm; XL:Patella circumference less than 15.7-17 inch/40-43cm; POWERFUL SPORTS ACCESSORIES Built completely at a 7mm thickness ,weve managed to create a breathable, comfortable, and effective tool for men. No matter what you do to stay in shaperunners, bikers, hikers, lifterswere the best choice for comfort, effective recovery and relief. SUPPORT & PROTECT KNEES provides the best support for both Men & Women, It provides an adaptive level of stabilization and support for the knee and leg area during all sports and fitness activities.it also helps reducing the risk of sudden jerks/twists that can leave you injured. QUICK MUSCLE RECOVERY Our Knee compression sleeves Compresses the knee joint & promotes blood flow to help in the muscle recovery & helps in prevention of an injury. PROMOTES FITNESS LONGEVITY Our knee compression sleeves will provide the support & protection you need for years to come! Keeping fitness enthusiasts healthy so they can continue to pursue and surpass their limits.