Set a new personal record in your next 10K or sprint triathalon when you’re carrying the Ultimate Direction PR 10 Hydration Waist Belt. Made from 3D AirMesh, this hydration waist pack is breathable, comfy and durable. Fill up the included 10 oz bottle with your beverage of choice, stash your ID or an energy gel in the zippered pocket and make sure your race bib stays secure thanks to 2 handy bib snaps.