Lightweight, minimal fit meets supportive comfort. 3D Fit Print upper with supportive no-sew overlays for a sock-like fit and feel. BioMoGo DNA cushioning adapts to each specific runner for custom comfort. Omega Flex Grooves and lightweight Guide Rails create a stable, natural running stride. Split-toe outsole design promotes natural stability and power during push-off. Wt. 7.9 oz.