21oz Quick Stow Flask Size:21OZ Designed for excellent performance

Designed for excellent performance

Adapts a 4-way flat vehicle socket to fit 6-way round trailer plugs

2 Zippered Pockets

Ideal for use in areas with noise restrictions as the spiral grooves reduce wind noise

Bungee key loop

21oz Quick Stow Flask Size:21OZ Designed for excellent performanceStash 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. We designed the Quick Stow to fit easily in the front compartments of all of our running vests. Once it's empty, it folds down small enough to fit in your pocket.