The leader in spikeless traction is updated in a new lighter package. The Nike Zoom Waffle Racer VI racing flat features a lightweight and breathable mesh upper that is supported in two key areas: through the midfoot and over the forefoot by synthetic leather overlays. Full-length Phylon™ midsole offers great cushioning in a responsive package. Heel and forefoot carbon rubber Waffle® outsole with midfoot TPU shank adds support. Wt. 6.4 oz.