Big Zip Evo Shut Off Valve Category_Shop/Equipment Present the ultimate gift of

Present the ultimate gift of adventure with our customizable virtual gift card

Easy to Use: Provides a convenient way to turn your water bottles into hands-free hydration systems

Whether you're hiking on muddy trails or trekking through snow

The proprietary foams are softer on top for extra comfort and denser on the bottom for extra durability

Big Zip Evo Shut Off Valve Category_Shop/Equipment Present the ultimate gift ofThe Big Zip EVO Shutoff Valve is a new leak proof valve made specifically for the Big Zip EVO Reservoir. The improved design offers a wider angle for faster water flow, an embossed water droplet icon to indicate when water flow is engaged (taking away any guesswork on whether or not water is in on or off mode), and a larger on off lever for ease of use (even with gloves on). The result is a valve that offers faster water flow and a more intuitive on