Nike Hyperdiamond 3 Keystone GS Youth's Softball Cleats The Nike Hyperdiamond 3 Keystone delivers lightweight comfort for the diamond. Molded details at the upper add durability and support. A flexible rubber sole with studs helps give you traction. Upper: Lightweight durability Synthetic upper with molded details provides lightweight comfort Rubberized screen print at the lateral side helps resist abrasion Molded toe Breathable knit tongue Midsole: Full-length foam cushioning Outsole: durable rubber sole with a 12-cleat configuration delivers game-ready traction Nike Fastflex technology lets it bend with your foot to help you move freely