Nike Zoom Rival Distance Track Spike Size:3 it’s Nathan's first race vest

it’s Nathan's first race vest to feature the innovative Adaptive-Fit ™ Adjustable Sizing System

A large diagonal zipper and size pockets allow for easy access to larger items like extra layers and smaller things like keys and nutrition

SIZE CHART (All measurements in inches

while the engineered mesh upper delivers a breathable and secure fit

Alternating channels of mesh and padding on foot bottom

Nike Zoom Rival Distance Track Spike Size:3 it’s Nathan's first race vestNike Zoom Rival Distance Track & Field Distance 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. With a lightweight, breathable upper and cushioned midsole, this adaptable spike dials you in for a wide range of middle and long distance races. It takes learnings from the game changing Dragonfly spike to give you efficient energy return for the tough