Flexible 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 pocket size. With the Flux, innovation fuels performance.

Details

60% lighter than a hard bottle
Dual-layer film laminate construction adds structure and RF-welded
soft walls give grip without compromising compactness
Extremely packable, flatten and roll when empty and stow into bail
handle
Twist-cap with spill-proof valve for easy drinking and no leak usage
Large 42 mm opening for backcountry water filter compatibility – the
Katadyn® BeFree Filter (sold separately) screws on to the top allowing
you to drink or filter directly form the bottle
Flexible bail handle for comfortable carrying and easy attachment
External capacity gauge allows you to track your hydration intake or
measure out the contents
Made of ultra-durable, abrasion resistant TPU & RF welded seams for
superior durability and elasticity
Wide working temperature range (can be frozen – max temp 60° C /
140° F)
Safe and reliable, 100% BPA & PVC free