This Nike Shox OZ Shoe has Open-mesh upper enhances ventilation for comfort and breathability. Mesh material makes the shoe breathable. Four-column Nike Shox cushioning platform works between two Pebax plates to provide independent impact attenuation. Strategically placed synthetic leather overlays enhance support for a snug, secure fit. Injected TPU toe-tip enhances durability and protection. Molded EVA sockliner conforms to the shape of your foot for comfort and underfoot support.