Specifications: 1. Material: Polyester+Latex 2. Color: Grey,Black 3. Weight: 148g Per Pair 4. Size: M, L, XL 5. Suit for: Adult Men and Women 6. Applicable Scene: Football, Soccer, Basketball, Volleyball, Tennis, Badminton, Golf, Climbing, Hiking, Cycling, Running, Sports Fitness and so on 7. Please allow 1-2cm measuring deviation due to manual measurement 8. Due to various monitors and lighting conditions, colors may be slightly different from listed photos About the Product: 1. Made of high quality elastic with seamless construction will not irritate skin for both men and women, comfortable, breathable, soft materials, helps to provide relief and compression. 2. Adopting self-heating material which will help to improve the blood circulation, promote metabolism, clear the meridians, and enhance immunity. 3. The good compression can make your knee covered completely, give the knees the right pressure to prevent the knees from slipping, It provides warmth, comfort, superior flexibility and durability for daily wear 4. Knee pads are great for knee support and protection, suitable for all sports and athletic activities. 5. Elastic knee support, provides support , High quality fabric to keep warm and prevent knee injuries, Light, Breathable, not stuffy, Comfortable to wear, Great stretch allow you to move freely and flexibly.