Anti-slip design: High-elastic fabric provides a comfortable fit, while soft silicone corrugations at the top edge tightly wrap around the knee brace to reduce vibration and effectively prevent children's knee braces from slipping off during exercise, thus avoiding skin damage and abrasions. For your health, you deserve sports knee braces. Ensure your sports safety. If the product you receive has any issues, we will replace it with the same product free of charge. Ergonomic structure: Made of flexible and breathable fabric, it fits snugly against the knee joint, providing optimal support and flexibility. It can more effectively protect your knees when you and your child fall. This high-elastic fabric provides mutual support/reduces musculoskeletal damage/disperses impact pressure during exercise and promotes blood circulation. Compression sports knee brace: High-elasticity, quick-drying, moisture-wicking, lightweight and breathable fabric + thickened EVA foam filling provides protection, impact resistance, lightweight breathability, and keeps you dry and comfortable. Sports knee braces protect children's knees. Suitable for a variety of sports including basketball, baseball, soccer, volleyball, wrestling, tennis, rugby, badminton, cycling, skating, skateboarding, running, and more.