Just for the ladies on the trail! Your Women's CamelBak Zephyr Pro Vest fits the contour of your body for a more comfortable all-around experience with all the same splendid features as the OG. Layers, keys, and energy gels stow away in easy to access pockets. One liter of Hydration available on the front in two Quick Stow™ flasks. Reflective details and an integrated safety whistle help you take on any adventure with assurance.