Nike Protegga Flex Football Shinguards - Laser Orange/Black – Kids LIGHTWEIGHT CUSHIONING. DURABLE PROTECTION. The Nike Protegga Flex Football Shinguards feature a shape designed to mimic the leg and an Injected Phylon padding for lightweight cushioning. Details : • The shell mimics the shape of the leg to help provide a better fit. • Durable shell is made of K-resin material for excellent impact diffusion. • Injected Phylon foam provides lightweight, durable and responsive cushioning. • Ankle pad is removable so you can customize the guard to fit your needs. • 50% K resin, 26% EVA, 20% polyester, 4% rubber.