Camelbak Quick Stow Flask (21 oz)

Stash it in your running vest, belt, or even in the palm of your hand. This lightweight, collapsible flask features our classic one-piece silicone bite valve for rapid hydration on race day, and packs down easily once it’s empty. Once it’s empty, it folds down small enough to fit in your pocket. Conveniently holds 620 ml (21 oz) of water.