Engineered for long distance races and fast-paced adventures, the Black Diamond Distance 4 Hydration Vest has a running harness suspension made from stretchy, comfortable material that extends from the sides to the back panel with self-bound stretch mesh edges for ultimate comfort on the move.

　　An over-the-shoulder Z-Pole carry system can be easily deployed on the go, while high-stretch side panels extend from the harness itself for an improved fit while on the move. This harness design also provides quick-access side pockets. Lighter colorways provide temperature regulation and better visibility. Dual flask pockets fit two BD HydraPak® SoftFlasks™ - included with the vest - while a zippered chest pocket, lumbar and back zip security pockets and small stash pockets provide ample storage for essential supplies.

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Black Diamond Distance 4 Hydration Vest