Flexible 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. Twist to Drink Nozzle drinks like that of a traditional wide mouth bottle but with more flow and less splash Keeps dust off your drink nozzle. Quickly opens and closes the drink nozzle with one hand without any direct contact with dirty hands For comfortable carrying, quick attachment and securing the rolled up bottle when empty Designed to fit in pack pockets when full and to roll up when empty for space saving storage 50% lighter than a hard bottle and compresses down to pocket size when empty 100% BPA & PVC free, wide working temperature range (can be frozen - max temp 60° C / 140° F) Weight 102 g Dime