Less than 6 miles on the road Highlights * Updated thin outsole rubber uses less material without sacrificing durability, which helps reduce outsole weight and thickness * Extra millimeters of ZoomX foam underfoot provides a smoother transition through your stride * Light padding on the tongue helps reduce lace pressure at the top of your foot * New Waffle outsole pattern with perforations saves weight and delivers multi-surface traction in various weather conditions * Offset heel seam helps reduce friction in the heel area * Internal foam pod at heel for extra cushioning * Wider toe area for a roomier fit * Full-length carbon fiber flyplate provides a stiff and propulsive feel