Crafted to offer a durability and practicality, the Dakine Vertical Hydration Reservoir 3L offers an easy to use design that you are sure to love. A Shape-Loc centre baffle adds rigidity to the shape of the reservoir which cuts down on the shifting of water weight while you are on the move. Equipped with a wide mouth opening and plug-and-play connecters to allow for easy filling, draining, and cleaning.