The low stance of the Mizuno Wave Ascend 6 running shoe makes it a perfect choice for a great run on the trails. AIR Mesh upper with Dynamotion Fit provides the utmost in breathability and comfort. AP Midsole is made with a lightweight, responsive yet durable cushioning copolymer. SmoothRide-engineered, Composite Double-Fan Wave provides a great blend of support and cushioning in a low-profile model, built to handle the rigors of trail running. X-10 durable carbon rubber outsole allows for longer wear in high-impact areas and supplements traction at heel strike. Wt. 9.6 oz.