• Full-length Zoom Air unit in the midsole means plenty of cushioning without added weight
• Internal panels and breathable sandwich mesh in the upper provide extra support in the forefoot
• Anatomically designed flex grooves and a Phylon/Phylite material combo in the midsole give you a full-range of motion
• A combination Phylon material and BRS 1000 carbon rubber outsole keeps the shoe durable yet light and super flexible