【Comprehensive Knee Protection】Four-zone wide protection design with multiple components including anti-slip nylon shell, high-rebound thick foam, built-in wavy silicone anti-slip strips, and neoprene material work together to provide all-round protection for your knees. 【High-Density EVA Foam】1.5CM thick high-density EVA foam offers quick rebound and long-lasting durability, maintaining excellent cushioning performance for stable knee protection. 【Double Wavy Silicone Anti-Slip Design】Ensures a secure fit during intense activities, preventing the knee pads from slipping out of place and providing continuous, stable protection. 【Breathable Comfort】Made with 2MM neoprene material featuring numerous air holes, allowing your skin to breathe and keeping your knees dry and comfortable during use. 【Flexible Movement】Hollow design at the popliteal area ensures unrestricted knee bending, allowing for free and agile movement during various activities. Specifications: Size: L Main Materials: Polyester fiber, Neoprene, EVA foam Size Guide: L: Knee circumference 40 - 50cm, Weight 70 - 90kg