Women's Circuit‚ Run Vest with Crux 1.5L ReservoirThe Women's Circuit Run Vest puts you in the driver's seat, so you can focus on self discovery and personal bests. Our Crux reservoir keeps things flowing, and the trekking pole attachment keeps you steady on your path. Our women's specific design ensures that every mile is comfortable. This vest is the perfect companion to your weekend adventures. It's lightweight, stretchy, and breathable so you can focus on what really matters.