Nike Zoom Rival Sprint Track and Field Shoes Sz 8 Shoes are new with. Box may be damaged. Shoes may be tried on. See photos for condition. DESIGN: Single-layer mesh provides lightweight breathability in areas needed most without sacrificing proper containment. An arch band secures the midfoot for a dynamic lace-up fit and supportive containment needed in all events. IN-SHOE COMFORT: Added cushioning at the midfoot and heel gives you the comfort needed for longer distances and a smooth, propulsive transition for your footstrike.