Description: Material: Polyester Color: White/Blcak Size: M: 14.1"-16.1" (36-41cm) L: 16.1"- 18.1" (41-46cm) XL: 18.1"- 20.4" (46-52cm) XXL: 20.4"- 22.4" (52-57cm) Package List: 1 Pcs x Adjustable Compression Knee Brace Warm Tips: Before purchase, please measure the leg circumference 4 inches above the knee and choose the right size according to the size chart. Due to individual differences in leg size, BMI and preferences, you may encounter problems such as too tight, and too loose. You can change the product of a larger or smaller size, which will make you have a better use experience. Note: 1.Manual measurement, please allow a slight error in size. 2.Colors may vary slightly due to different screen displays. 3.If you have any question, Please contact us anytime, we will reply you in 24 hours. MANUFACTURER CONTACT INFORMATION Building 2, Tianjiao Shijia, Jinhua Road, Xin'an Street Shenzhen Baoan District 518101 Guangdong Province CNWidely used in running, basketball, gym, yoga, tennis, hiking, weightlifting or daily wear. The 2 sponge pads are sewn on both sides of patella to wrap the knee in a soft, elastic and circular way, so as to reduce the damage to the knee caused by self and external impact. This knee brace will fit perfectly with your knee joint, so it will prevent potential sports injuries without sacrificing your mobility!. The 2 V-shaped velcro straps on the knee patella, with high elasticity, fixed compression, you can adjust the tightness according to your choice, ensures a snug fit from back to front, easily find the best fit for you. The knee pads are made of high quality polyester fibers, soft fabric with airflow vented tech to reduce odor and moisture, circular breathing, breathable and absorbing sweat, preventing any unpleasant skin conditions. It has good anti-wrinkle shape retention, and provides body comfort and support during use. There are 4 memory springs on both sides of the knee brace, and the adjustable hook and loop strap allows for an optimal fit, providing enough pressure and support for the knee and patella to improve joint stability.