The Nike Zoom Structure Triax+ 15 running shoe delivers the smooth, stable ride and simple design overpronators expect. Lightweight mesh upper with an integrated rearfoot Flywire panel and targeted overlays that provide added support. Notched innersleeve adds enhanced comfort and fit. Dual-density Phylon™ midsole with heel and forefoot Nike Zoom™ units. Cuboid support and decoupled crash pad offer a smooth ride. Environmentally preferred rubber Waffle® outsole with BRS 1000™ in the heel gives durability. Forefoot Duralon inserts deliver cushioning and a smooth ride. Removable insole. Wt. 10.0 oz.