PUMA Unisex Complete TFX Harambee 3 Pro Track Spike 100% Mesh and synthetic Rubber sole Minimalist lightweight distance spike for professionals SANDWICH-MESH lowers the risk for blisters and saves weight Bonded highest quality microfiber suede for support and a soft glovelike upper Microfiber synthetic suede lining for a soft onskin feel With full length Pebax plate and microfiber suede this shoe offers best possible material properties