The Hydrapak Flux 1.0L is engineered for those who demand significant hydration without the permanent bulk of a traditional container. Imagine you are deep into a multi-day trek or navigating a fast-paced alpine ascent where every cubic centimeter in your pack is precious. This bottle offers a unique solution by behaving like a rigid bottle when filled, providing a stable base and easy handling, yet transforming into a compact, packable sleeve once your thirst is quenched. The Sage Green color offers a subtle, technical look that blends seamlessly with professional outdoor gear, making it a preferred choice for explorers who prioritize efficiency and speed.
Using the Flux is an intuitive experience tailored for active movement in demanding environments. The slim, ergonomic shape fits comfortably in your hand, while the integrated bail handle allows for easy carrying or securing to a backpack strap with a carabiner during technical sections. Unlike traditional hard bottles that take up the same amount of space regardless of how much liquid is left, the Flux gradually collapses as you drink. This eliminates the annoying sound and feel of water sloshing around, allowing you to maintain your rhythm and focus entirely on the terrain ahead. Whether you are scrambling over rocky ridges or trekking through vast open landscapes, this bottle adapts to your storage requirements effortlessly.
From a technical perspective, the Flux 1.0L is engineered for high performance and longevity. It is constructed from a dual-layer film laminate, which provides significantly more structure and abrasion resistance than standard soft flasks while remaining approximately 60% lighter than most hard bottles. The 42mm wide-mouth opening is a key feature, allowing for rapid filling from mountain streams or taps. This wide opening also makes the bottle compatible with specialized water filtration systems, such as the Katadyn BeFree, enabling you to source safe water on the go during extended expeditions. The twist-to-drink nozzle is completely spill-proof, featuring a high-flow valve that delivers water quickly when needed and seals tight when not in use.
The bottle's versatility is further enhanced by its extreme temperature resilience and hygienic design. It is freezer-safe, allowing you to have ice-cold water on scorching days, and can handle hot water up to 60° C. A protective dust cover ensures that the drinking nozzle remains clean, even when your gear is exposed to mud or grit on technical sections of the trail. The external capacity gauge is a practical tool for monitoring your fluid intake or measuring precise amounts for nutritional mixes. Made from 100% BPA and PVC-free materials, the Flux 1.0L provides a safe, taste-free, and reliable hydration solution that is built to withstand the rigors of frequent use in the outdoors.
Weight 77g
Capacity 1000ml
Material TPU, POM, Silicone
Dimensions 245 mm x 85 mm
Spill-proof twist-to-drink nozzle
Protective dust cover included
Dual-layer TPU construction for extra strength
42mm wide mouth for easy filling
Compatible with Katadyn BeFree filters
Integrated bail handle for transport and attachment
100% BPA and PVC free
Stands upright when filled