The Nike ZoomX Vaporfly Next% clears your path to personal records in speed with a lighter design and faster feel than ever. With more ZoomX foam underfoot and less weight up top, you'll feel unprecedented energy return and unstoppable comfort. VaporWeave material up top is an engineered woven mesh that's light and breathable while giving a secure, comfortable fit. The translucent grid pattern looks fast. Nike ZoomX Vaporfly Next% features: Vaporfly 5% adds more ZoomX for responsive comfort on race day. Updated laces loop through lightweight side sashes that eliminate the arch band. 10 grams lighter (or 5%) than the Vaporfly 4% Flyknit. Full-length carbon plate in the midsole helps prevent energy loss in toe bends. Wider toe area gives a roomier fit and allows forefoot muscles to engage more. Lengthwise outsole flex grooves enhance multi-surface traction in a variety of weather. Wt.