The CamelBak Women's Circuit Run Vest will keep you going so you can focus on setting your personal best. This lightweight vest provides plenty of pockets to carry your water, gels, clothes, and other essential gear. There's even a zippered pocket on the front strap designated for your phone. An S-CURVED shoulder harness is contoured for a women-specific fit for added comfort and stability in addition to adjustable straps over the sternum and sides allow for a personalized fit to prevent bouncing. As an added benefit, the Circuit Run Vest comes with the Crux 1.5L Reservoir for steady hydration as well as reflective detailing to improve visibility in low light conditions.