Alps Mountaineering Hydro Bladder Option:Default Innovative twist design

Innovative twist design

100% polyester staple fibre is very compressible and has excellent loft retention

The indestructible industry workhorse used by ski patrols and guiding operations everywhere

Use preloaded activity profiles for trail running

Alps Mountaineering Hydro Bladder Option:Default Innovative twist designThe Reservoir 3. 0 is a 3 liter reservoir perfectly designed to pair with your ALPS pack. The Ultravalve on the Reservoir 3. 0 features a revolutionary articulating bit valve as well as a built in check valve that eliminates backwash and prevents air from entering the tube. It also has a feature that allows it to twist open for a no bite, full flow function. The anit microbial IonPure treatment helps prevent bacteria and mold growth. The Reservoir 3.