1. Nylon

2. PERFECT SUPPORT & PROTECTION: The long knee braces with excellent lengthened 3D design provide a perfect 360° fit for comprehensive protection and warmth from your calf to thigh. With our sleeve, you can effectively prevent injuries caused by exercise or any activity that puts pressure on your knees and calf muscles. Instantly increase your performance and confidence.

3. PAIN RELIEF & FAST RECOVERY: Our knee sleeves with true graduated compression can promote blood circulation and oxygen flow to relieve knee and calf pain. They are perfect for arthritis, tendonitis, Varicose Veins, swelling, meniscus tear, strains, sprains, calf cramps and recovery after surgery.

4. UPGRADE TECHNOLOGY: Double-sided metal springs stabilizers give your knee the extra protection reduces risk of injury to keep you moving with confidence. An anatomically contoured gel pad surrounds the kneecap, dispersing collision pressure effectively. Two non-slip silicone strips avoid up and down sliding during exercise. The delicate sewing cuffs fit tightly to the leg without limiting your mobility. Lightweight and breathable 3D knitted fabric provides all day superior comfort.

5. OUTDOOR ACTIVITIES: Suitable for all activities and exercises that require to use your any joints a lot such as Basketball, Volleyball, Football, Tennis, Baseball, Running, Weightlifting, Gym Fitness Training, Jogging, Hiking, Golf and more.