Engineered, 3-layer upper delivers optimal ventilation, flexibility and support. 4 Zoom Air units provide targeted, responsive cushioning. Midfoot strap enhances lockdown. Flywire cables wrap the foot and integrate with the laces for dynamic lockdown and support. Full-bootie construction delivers a 1-to-1 fit. Molded heel padding wraps the back of the ankle for a cushioned, locked-in feel. Phylon midsole provides cushioning and a stable ride. Maximum-volume Zoom Air unit provides more coverage under the heel to cushion hard landings while providing a responsive feel. 3 additional hexagonal, maximum-volume Zoom Air units are placed under the ball of the foot and the midfoot to deliver responsive cushioning for a quick first step. Rubber outsole with pixel pattern delivers durable, multidirectional traction for the court.