Ultraspire ZYGOS 5.0 - Small only (No Return ) Gaitor compact and powerful light for

compact and powerful light for your adventures at work or play

moisture management and total foot utilization while increasing cushion on the sole

Four-way stretch provides light compression and maintains form and shape when wet

A bold new style that combines full coverage protection with cutting edge sport design

Ultraspire ZYGOS 5.0 - Small only (No Return ) Gaitor compact and powerful light forUtraspire Zygos 5. 0 hydration vest with lightweight and comfortable wrap around design complimented by the ErgoFit Harness ensures the Zygos 5. 0 will be stable, comfortable, and hindrance free. Since the first iteration of the ZYGOS, tens of thousands of runners have utilized this high capacity 14 liter race vest. The packs MaxO2 Form adjustable closure system secures and adapts to the packs load. This innovative system can conform the pack to the