Designt: Full-grain leather has a supple feel and a sophisticated look In-Shoe Comfort: Internal strap stretches over your foot then locks you in, conforming to its shape Nike React foam under the heel delivers an extremely smooth ride Molded heel cup helps support and stabilize your foot Internal foam pods cushion your heel Durability & Traction: A Zoom Air unit is stitched directly to the upper instead of being set into foam, so it responds to every step Full-length plate beneath the Air unit helps increase stability and energy return Hybrid outsole design combines integrated traction with 7 removable spikes for optimal gripping power Data-driven design delivers best-in-class traction in a variety of conditions