Design: Flyknit yarns and engineered zones in the forefoot provide ample breathability and support Full-length carbon fiber flyplate provides a stiff and propulsive feel Offset heel seam helps reduce friction in the heel area Wider toe area for a roomier fit In-Shoe Comfort: Internal foam pod at the heel provides extra cushioning Light padding on the tongue helps reduce lace pressure at the top of your foot Nike® ZoomX foam runs heel to toe to give you a springy, bouncy feel Durability & Traction: Waffle outsole pattern with perforations saves weight and delivers multi-surface traction in various weather conditions