High Quality Material - Good elasticity, and breathable fabric, fast-dry and absorbing sweat, lightweight. Elastic cuffs can prevent knee sleeves f rolling, sliding or slipping off during exercise. Thicker than other knee protectors to provide extra reinforcement without sacrificing comfort, so you can wear them all day long. Ergonomic Design - Sports knee pads are designed according to the characteristics of human knee joint structure and sports. Suited for adolescents who has lots of activities involving knees. Very suitable as knee protector for outdoor sports since its super lightweight, provides freedom of movement and has sturdy good looks. Multifunction - Professional knee pads for meniscus tear, arthritis, ACL, joint pain relief, sports injury recovery. Widely used in many sports such as volleyball, weightlifting, basketball, running, jogging, tennis, hiking and more. Unisex - Universal for men and women. 2 Pcs in package, wearable on either the left or right knee. Adjustable high-grip strapping fits knees of most people f 12.5" to 18" (32 to 46cm) in circumference. If you have any problems, please do not hesitate to contact our customer and we will provide you with a satisfying solution. Knee Protection - Our volleyball knee pads adopts a thickened EVA material pad inside, with shock absorption and anti-collision. This design can effectively reduce stress while kneeing, relieve the impact on knee joints during exercise.