All new Nanoweave upper material combined with an updated modernized Nano tooling creates the ultimate CrossFit shoe. EVA Midsole for shock absorption. Forefoot flex grooves for flexibility. High abrasion rubber outsole provides durability. Multi-surface outsole for traction. CMEVA molded midsole for extra cushioning. Molded sockliner for total comfort and cushioning. External heel counter creates a locked-in feeling for any weight lifting movements.