Ultraspire Zygos 5.0 Black mens clothing while the inner liner provides

while the inner liner provides comfortable support

1/4-length silhouette covers your ankle

SIZE: 5-12 Unisex (One Size Fits All)

Upper features a re-designed stitching pattern with twin needle articulation for a premium hand feel and unparalleled comfort

Ultraspire Zygos 5.0 Black mens clothing while the inner liner providesSince the first iteration of the ZYGOS, tens of thousands of runners have utilized this high capacity 14 liter race vest. The lightweight and comfortable wrap around design complimented by the ErgoFit Harness ensures the Zygos 5. 0 will be stable, comfortable, and hindrance free. The packs MaxO2 Form adjustable closure system secures and adapts to the packs load. This innovative system can conform the pack to the body using a single pull. Similar to