Size SLength48cmTop half length16cmFor leg circumference37-43cm M:Length48cmTop half leng17cmFor leg circumference43-48cm L:Length49cmTop half length18cmFor leg circumference48-53cm XL:Length49cmTop half length19cmFor leg circumference53-58cm XXL:Length50cmTop half length20cmFor leg circumference58-63cm weight Silicone non-slip: 117g With straps: 125g Material: Spandex + Nylon,Washable Color: black, green, orange, red, blue Best Gifts Idea For Your Friends And Family! BETTER PERFORMANCE Overcome the defects of similar products. Non-slip silicone strips and elasticity fabric to avoid sliding and rolling during exercise, It will stay position all day. Innovative functional fabrics has the effect of keep your knee warm and reduce stiffness, reducing inflammation and swelling, increase oxygen flow. So it will prevent potential sports injuries without sacrificing your performance!!! TARGETED RELIEF & SUPPORT It got a well balance between compression and comfort. It will disperse the pressure and improves circulation around your knee area, which will significantly effective reduce the pressure of the knee joint and help the meniscus to recover. Wrap around the patella to enhance the stability of the kneecap and relax tendons, prevent muscle strain. Relieve ACL, MCL, PCL pain, prevent ligament injury, dislocation and so on. It is Perfect for Pain Recovery or Workout. COMFORTABLE EXPERIENCE The air knit fabric can instantly absorb and evaporate large amounts of water, circular breathing. breathable, fast-dry and absorbing sweat, lightweight. As thin and light as a feather, you can wear it under the leggings or pants, you don't even feel it, so you can wear them in any place or any time!!! Provide extra reinforcement without sacrificing comfort, keeping your knee warm and reduce stiffness, so you can wear them all day long!!