The Nike Zoom Rival S 6 is an entry-level sprint spike designed for the high school athlete. Inspired by the Zoom Superfly. Lightweight mesh upper with no-sew synthetic leather cage and a forefoot lockdown strap delivers an exceptional fit as well as a lightweight seamless feel. Thin EVA wedge provides excellent lightweight cushioning and protection. Durable rubber outsole gives excellent traction with seven-removable spike pins encased in a Pebax® plate coupled with aggressive secondary elements. Non-removable insole. Includes 7mm pyramid spikes and a wrench. Wt. 7.2 oz.