Features: Material: Knee brace is made of breathable stretchable elastics material, that is effective against supporting your knee and helping to reduce knee pains. Spring Knee Support Technology: A anatomically contoured Patella Gel Pads surrounds the kneecap; Spring Stabilizers fit tightly with your knee joint. Upgraded Design: Special knitted technical design with silicone strips and high elastic, Spring stabilizers and patella gel pads will not fall off easily during using. Good Quality & Provide Extremely Compression: Our 3D knee compression pad apply stable pressure across your knee joint, maintains joint stability. Comfort Support Wrap and Pains Relief: The knee brace provide whole day relief, limiting pains and joint injury. With knee brace still maintain your perfect performances. Specifications: Material: Nylon, Spandexs, Latex, Silicone, Spring Strip Color: As The Picture Shows Size Options: S/M/L/XL Size:S Length:37-43cm(14.57-16.93inch) Upper Width:16.2cm(6.38inch) Lower Width:13.5cm(5.31inch) Thickness:0.2cm(0.08inch) Size:M Length:43-48cm(16.93-18.90inch) Upper Width:17.0cm(6.69inch) Lower Width:14.5cm(5.71inch) Thickness:0.2cm(0.08inch) Size:L Length:48-53cm(18.90-20.87inch) Upper Width:17.5cm(6.89inch) Lower Width:15cm(5.91inch) Thickness:0.2cm(0.08inch) Size:XL Length:53-58cm(20.87-22.83inch) Upper Width:18.2cm(7.17inch) Lower Width:16cm(6.30inch) Thickness:0.2cm(0.08inch) Package Includes: 1Pc Knee Compression Sleeve note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!