The Nike Hyperdiamond 4 Keystone is all about lightweight comfort on the diamond. Molded details on the upper add durability, while a flexible rubber sole with studs helps give you traction throughout the game or practice. Synthetic on the upper with molded details provides durable comfort. Nike Fastflex technology lets the rubber outsole bend with your foot so you can move freely. Foam midsole 12-cleat configuration for traction