Featuring a bold, new mountain inspired graphic, our best selling Stow 500ml is designed for all of your adventures. With a weight 80% lighter than most hard bottles, it 's the perfect pocketable bottle. The flip top cap with spill-proof valve for easy drinking, bail handle for comfortable carrying and attachment, and minimal design help make hydration on the go effortlessly easy. HydraPak Mountain Stow 500ML Water Bottle | Gray | Christy Sports