Ulimate Performance Hydration Pack Unisex Running and moisture are unique challenges

and moisture are unique challenges to footwear that require specialized construction

You also get a breathable fit and smooth transitions

Temperature Control System: Keeps light from overheating so it can run brighter and longer

The Revive vest sets a new planet-friendly standard in technical running gear

Designed as a natural feeling alternative to a pull buoy

Ulimate Performance Hydration Pack Unisex Running and moisture are unique challengesThe Ultimate Performance Tarn 1. 5L Performance Hydration Pack features a newly designed bladder which has a large opening for easy filling and cleaning. The soft bite valve is easy to use on the go and really effective against leaking when not in use. We've added in wicking air mesh backs and shoulder straps, plus air flow channels to make it more comfortable to wear whilst the new chest and waist fastening straps are fully adjustable to give a more