HyFlo Bite Valve Cross-Country It's fully adjustable to allow

It's fully adjustable to allow you to easily optimize for and switch between standing

The larger volume is great for extra storage and higher pressures

The side access and the easy-to-access belt system of the child frame ensure safety – guaranteed by the TÜV GS safety seal of approval

with an ultra-durable Matryx upper

HyFlo Bite Valve Cross-Country It's fully adjustable to allowThe HyFLO is a streamlined, one piece bite valve that offers fast flowing, self sealing, leak free performance. Made with a soft, taste free, medical grade silicone, the HyFLO stands up to years of use. The bite valve is included on all Big Zip EVO & Hoser Reservoirs and is compatible with all legacy Platypus shutoff valves.