Flux 1.5 L Color:sage green more breathable

more breathable

3 or 20 refills are possible

Neither of these are good options

31" inseam

These midweight base layer pants are a tried-and-true favorite choice for comfort while protecting against the cold

Flux 1.5 L Color:sage green more breathableFlexible bottles get an upgrade. The Flux is shaped like a hard bottle, compresses like a soft flask, and cuts weight by 60 percent. Topped with a spill proof twist cap for grab and go hydration, plus a bail handle to keep hydration secure in your hand or on your pack. Finish your drink, and this bottle packs down to earn its space in your pack. With the Flux, innovation fuels performance.