1. nylon 2. Knee Protection: knee support brace applies stable pressure across your knee joint. With our sleeves, you will get fast pain relief with less swelling, soreness, and stiffness, recover faster from joint pain relief,arthritis,tendonitis,post-surgery,swelling as well as strains and sprains.You will also be able to cope with any activities you need to perform in your life, Suitable for all kinds of sports activities workout 3. : Our knee pads compression sleeve is made with ,a combination of nylon,latex and spandex. Ensure durability, high elasticity and fast drying. Keep you comfortable and breathable during prolonged wear. The circular knit structure provides 360-degree stretch for greater flexibility, unparalleled power and durability. 4. Anti-slip Design:Special knitting technology design, with two silicone strips, the silicone grip prevents slipping and rolling,You will be able to enjoy excellent knee support while still maintaining the performance and full range of leg movement! Great for healing, recovery and rehab. 5. Wide Application: Our knee sleeve is perfect for any activity that involve a great amount of on the joints,such as running,biking,basketball,hiking,football,soccer,volleyball, badminton, weightlifting, golf,Gym Fitness Training and other sports,exercise.they are the companion for your workouts and daily activities. It is ideal for meniscus tears, tendinitis,ACL,MCL,PCL,and knee problems for runners and jumpers.