Flexible Bottles

Fill. Drink. Pack. Repeat. With durable construction and minimal design for easy packing, the flexible Stow™ 500ml helps make all your adventures the best they can be. An easy-open flip cap cover protects the spill-proof nozzle when not in use, bail handle for comfortable carrying and attachment, and a weight 80% lighter than most hard bottles, and you’ve got a perfectly pocketable bottle.

When you’re going for your personal best, running out of water is not an option. Essential equipment for every adventurer, the 1 liter Stash is large enough to handle all-day hydration, expanding for use and crushing back down for maximum pack space. Compact, flexible and 50% lighter than a hard bottle. It’s construction with purpose.

A trail companion like no other, the flexible Stow™ 1L has an internal baffle that makes it easier to hold and pocket. An easy-open flip cap cover protects the spill-proof nozzle when not in use and the bail handle makes for more comfortable carrying and attachment. Convenience meets performance.

Welcome to utility and design in harmony. Essential equipment for every adventurer, the Stash 750 flattens for maximum room in your pack. Expands for use on the trail. It’s compact, flexible and 50% lighter than a hard bottle. Construction with purpose.

This replacement cap features an easy to drink from silicone nozzle which auto-seals after each sip and includes a flip cap cover to keep away outside elements.  Fits all current HydraPak products with a 28mm opening including the Stow 500ml and 1L bottles, and SoftFlask 150ml.

*Note that caps only fit on the 28mm threads of 2020 models or newer. Please review our FAQ page on how to identify which version you have.

Flexible bottles get an upgrade. The Flux is shaped like a hard bottle, compresses like a softflask, and cuts weight by 50%. Topped with a dust cover and twist-drink nozzle for grab-and-go hydration, plus a bail handle to keep hydration secure in your hand or on your pack. The Flux stands upright like a hard bottle but when you finish your drink, this bottle packs down to pocket size.

Flexible bottles get an upgrade. The Flux is shaped like a hard bottle, compresses like a softflask, and cuts weight by 50%. Topped with a dust cover and twist-drink nozzle for grab-and-go hydration, plus a bail handle to keep hydration secure in your hand or on your pack. The Flux stands upright like a hard bottle but when you finish your drink, this bottle packs down to pocket size.

Flexible bottles get an upgrade. The Flux is shaped like a hard bottle, compresses like a softflask, and cuts weight by 50%. Topped with a dust cover and twist-drink nozzle for grab-and-go hydration, plus a bail handle to keep hydration secure in your hand or on your pack. The Flux stands upright like a hard bottle but when you finish your drink, this bottle packs down to pocket size.