Nike Zoom Rival Multi Track Spike Size:4.5 Core: Engineered ABS core

Core: Engineered ABS core

This 3″ diameter firm ball provides aggressive single point deep tissue massage to IT band

Designed to help keep you on the run

made to reduce chafe

Exterior bungee system for expandable storage for a second layer or other small essentials

Nike Zoom Rival Multi Track Spike Size:4.5 Core: Engineered ABS coreNike Zoom Rival Multi Track & Field Multi Event Spikes A note on unisex sizes of this item: Listed sizes are men's. Add 1. 5 to get equivalent women's size. Ex: listed size 8 = women's size 9. 5. Still figuring out which events suit you best? These versatile spikes have you covered for sprints, hurdle events, jumps and pole vault. The Zoom Rival Multi can endure those gritty, long practice sessions during the season and still help you flourish on meet