Design: Breathable mesh provides a lightweight, conforming fit in the upper Webbing harnesses your forefoot and external molded pieces help lock in your heel Reinforced stitching along the sides helps the shoe fit snugly for full-foot containment In-Shoe Comfort: Padded collar and a foam and mesh tongue for added comfort Full-length Max Air unit in a low-profile midsole combines with a foam wrap-up for support when moving in lateral directions The Air is specifically placed in the forefoot to help reduce weight, increase responsiveness, absorb impact, and add stability Durability & Traction: Rubber outsole is split and partially cut out under the arch to help it bend and flex while helping reduce its overall weight Classic herringbone pattern adds durable traction