The Hydrapak Flux 750ml is designed for those who refuse to be held back by bulky equipment. Imagine you are deep into a multi-day trek or navigating a fast-paced trail run where every gram and every centimeter of space in your pack is crucial. This bottle offers the perfect solution by behaving like a rigid bottle when filled, yet transforming into a flat, packable sleeve once your thirst is quenched. The vibrant Golden Yellow color isn’t just about style; it provides high visibility in your gear, making it easy to find during quick breaks or in low-light conditions at camp. It is the ideal choice for explorers who prioritize efficiency and speed without compromising on their hydration needs.
Using the Flux is an intuitive experience tailored for active movement. 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. Unlike traditional hard bottles that take up the same amount of space regardless of how much water 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 on the terrain ahead. Whether you are scrambling over rocky outcrops or trekking through vast landscapes, this bottle adapts to your pace and storage requirements seamlessly.
From a technical perspective, the Flux 750ml is engineered for high performance in demanding environments. It is constructed from a dual-layer film laminate, which provides significantly more structure and abrasion resistance than standard soft flasks while remaining 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 you need it and seals tight when you don't.
The bottle's versatility is further enhanced by its extreme temperature resilience. 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 and hygienic, 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 750ml 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 750ml
Material TPU, POM, Silicone
Dimensions 200 mm x 85 mm
Spill-proof twist-to-drink nozzle
Protective dust cover included
Dual-layer TPU construction for extra durability
42mm wide mouth for easy filling
Compatible with Katadyn BeFree filters
Integrated bail handle for transport
100% BPA and PVC free
Stands upright when filled
