Overpronators, run comfortably and fast in the Nike Zoom Structure+ 17. Featuring Nike's Dynamic Support technology, the Zoom Structure+ 17 provides a secure fit and stable ride - a great combo for runners who have a mild-to-moderately overpronated gait. Dynamic Fit teams with Flywire technology that wrap over the foot, promising a secure fit. Phylon® midsole, Cushlon foam, and Nike Zoom unit reduce impact and cushion step. Outsole ensures reliable traction and has felx grooves to promote natural foot movement. Breathable mesh upper helps feet stay cool and dry. Reflective details increase visibility in low-light conditions. Wt. 8.7 oz.