Glide from stride to stride in this nitrogen-infused running shoe bolstered by ultralight cushioning and an updated midsole for speedier transitions. THE DNA Flash nitrogen-infused midsole combines with the durable rubber outsole to work together to deliver a powerful toe-off and more speed. Rubber technology in the forefoot and heel are strategically placed to conserve weight and promote fast transitions. Neutral: provides soft, even cushioning with an emphasis on comfort during any activity Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfort DNA FLASH nitrogen-infused midsole fuses explosive energy return with a lightweight, adaptable fit Removable insole Textile upper and lining/rubber sole Imported