1、The three dimensional weaving way provides much support for you while doing sports. 2、Adopting good material, soft and comfortable for your knee to wear it. 3、With built-in damping silicone ring and spring support, it can reduce the suffering pressure and gives knee better protection. 4、Delicate workmanship guarantee no fraying and no deformation. 5、Suitable for basketball, football, volleyball, hiking, etc. Description: This knee protector can prevent the joint ligament sprain, muscle strain, strength loss and swelling. Besides, with the built-in damping silicone design, it can make you more confident in all sport performances! Features: The three dimensional weaving way provides much support for you while doing sports. Adopting good material, soft and comfortable for your knee to wear it. With built-in damping silicone ring and spring support, it can reduce the suffering pressure and gives knee better protection. Delicate workmanship guarantee no fraying and no deformation. Suitable for basketball, football, volleyball, hiking, etc. An ideal for knee protection and divert pressure away from knees. Specification: Condition: 100% Brand New and High Quality Material: Nylon+Silicone Color: Gray, Black(Optional) Size: M/L/XL(Optional) Size Total Length(Approx) The Upper Length(Approx) The Bottom Length(Approx) Available Thigh Circumference(Approx) Available Body Weight(Approx) Package Weight(Approx) M 32cm/12.60" 16cm/6.30" 14.3cm/5.63" 30-36cm/11.81-14.17" 45-50kg 143g L 32cm/12.60" 17cm/6.70" 15.3cm/6.02" 36-42cm/14.17-16.53" 50-60kg 149g XL 32cm/12.60" 18.5cm/7.28" 15.5cm/6.10" 42-48cm/16.53-18.90" 60-75kg 150g * The thigh circumference refers to the circumference of the part that is about 10cm above the knee. Packing List: 1 x 1Pc Knee Protector Notes: Due to the manual measurement, there is subtle size inaccuracy  existing in our size chart. We appreciate your understanding. The datum on the size chart is for reference, and you need to choose according to your personal circumstance.