The Flux 1.5L reusable bottle combines hard bottle structure with soft flask flexibility. Engineered 50% lighter than traditional hard bottles, it stands upright when full and compresses to pocket size when empty—ideal for ultralight backpacking and everyday carry. Features include a high-flow twist-drink nozzle for splash-free hydration, a dust cover for one-handed operation, and a flexible bail handle for secure carrying or pack attachment. Constructed from durable TPU and POM materials, this 122g bottle delivers serious capacity without the weight penalty. Perfect for hikers, climbers, and anyone prioritizing pack efficiency.