Hydrapak Flux 1.5L ULTIMATE designed to precisely tune

designed to precisely tune

this piece will flatter your silhouette no matter how you style it

Constructed with a 34 mm sidewall height

Each element of this product — from panels to buckles to straps and screws — is designed to be repairable and recyclable

This standard fit fleece features a pull-over crew design for easy wearability

Hydrapak Flux 1.5L ULTIMATE designed to precisely tuneFlexible 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.