Flux 1.5 L Color:sage green Cushion under the foot adds

Cushion under the foot adds comfort on the trail and a little coziness in the cabin

Neither of these are good options

but can also be used as a thin glove for running

more breathable

3 or 20 refills are possible

Flux 1.5 L Color:sage green Cushion under the foot addsFlexible 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.