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