NIKE Women's Unify Keystone Softball Cleat Black/Pink synthetic-and-leather Synthetic-leather upper with overlays throughout for lightweight durability and support. Full-length Phylon midsole for lightweight cushioning and comfort. Solid rubber outsole with a 12-cleat configuration for great traction and durability.Nike Unify Keystone is ideal if you're a softball player who's looking for a supportive, versatile, low-cut cleat for all conditions.