Big Zip EVO Hydration Reservoir Volume:2.0 L Radiametric Articulation™ supports a naturally

Radiametric Articulation™ supports a naturally relaxed hand position

while the straightforward construction gives it the familiar feel people look for in a favourite daily tee

such as swimming

with GORE-TEX providing waterproof protection in wet conditions

Big Zip EVO Hydration Reservoir Volume:2.0 L Radiametric Articulation™ supports a naturallyBuild a fast flowing hydration setup for hiking, backpacking and biking with the Platypus Big Zip EVO Hydration Reservoir. The wide SlideLock opening and Pincher Grip make filling straightforward, while the high mounted quick disconnect lets you separate the drink tube without digging through your pack. A semi rigid centre baffle helps the reservoir keep a low profile shape, and the HyFLO self sealing bite valve pairs with a larger 8 mm drink tube for