Hydrapak Flux 1.5L ULTIMATE Each element of this product

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

designed to precisely tune

we doubt you’ll take it off

Just trim to your width with the included tool

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

Hydrapak Flux 1.5L ULTIMATE Each element of this productFlexible 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.