Design: 3 Single-layer mesh provides lightweight breathability in areas it’s needed most without sacrificing proper containment No-sew overlays add support in the heel, overlays on the toe tip offer durability in high-wear areas An arch band secures the midfoot for a dynamic lace-up fit and supportive containment needed in all events In-Shoe Comfort: Additional cushion in the midfoot and heel give a balance of comfort and protection needed for the longer distances and a smooth, propulsive transition for all foot strikes Durability & Traction: 4 replaceable spikes offer elite traction on all track surfaces Durable steel material is used for lasting durability and is replaceable for long-term use Additional Details: Designed for events from the 400 meters through the 10,000 meters and secondary events such as the hurdles, long jump, triple jump, pole vault and cross country With 2 colorways split down the middle of the shoe, it’s a nod to the iconic Nike Jasari