DURABLE COMFORT, ON EITHER SIDE OF PLAY. The Nike Vapor Ultrafly 4 Keystone preps you for any position on the field with the breathable durability of a sleek, perforated upper and the nonstop comfort of foam cushioning. Rubber cleats give you the flexibility to make quick plays and the traction to tear down the basepaths.
Built for the Game Perforated synthetic leather on the sleek, redesigned upper is breathable, durable and supportive. It’s also easy to clean after the game. Traction Across Positions The Nike Fastflex sole with 12-cleat configuration flexes to keep you ready for quick moves—infield or out. Rubber cleats deliver powerful traction as you round the bases. Comfort for Every Inning Soft and springy foam gives you quick-step comfort to last through practice and play. Mesh on the tongue helps keep your foot cool.