1The unique split hot-pressed sponge technology effectively divides the sponge into three pieces on the left, middle and right, effectively dispersing the impact force to each piece of sponge. 2Protect and Prevent knee injuries during exercise. Keep warm, prevention and reduction of stiff muscles and joints. Effectively impact proof, increase blood circulation. 3The fabric is made of highquality nylon and EVA material, rubber nylon polyurethane fiber , polyester, breathable, not sultry, durable, wearresistant and resistant to pulling. 4Threedimensional tailoring, using threedimensional tailoring suitable for the wearing part, the curvature and flexibility can make the wearing part move flexibly. 5The knee pads are recommended to apply to children, adolescents, and adults, with builtin EVA foam pad to prevent knee damage, suitable for various indoor and outdoor sports.