3L Vertical Reservoir 2.0 Option:3L Full heel air bag provides

Full heel air bag provides big drop protection

CoolMax® Ecomade fiber

Fits 1 pair of boots (2 outsoles)

Sizing holes added to improve user experience

3L Vertical Reservoir 2.0 Option:3L Full heel air bag providesA refined 3 liter reservoir for your hydration backpack. If its time to replace or update your hydration reservoir, look no further than the freshly updated 3 Liter (100 ounce) Vertical Reservoir 2. 0, which fits perfectly with our mountain bike hydration backpacks. Our tried and true Dakine x Hydrapak vertical reservoir has been further refined for easy use, starting with the improved fold and slide wide mouth opening, which makes for easier filling