A hydration pack is a type of hydration system built as a backpack or waistpack containing a reservoir or "bladder" commonly made of rubber or flexible plastic.
Engineered for long distance races and fast-paced adventures, the Gen 2 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 fo
Engineered for long distance races and fast-paced adventures, the Women’s 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