New to their family of vests is the Nathan VaporAir 2L, designed to perfectly fit the male form. This vest is the lightest race vest option in the Vapor series and provides an ideal balance of storage capacity, functionality, and weight to even the most demanding endurance athletes. With over-the-shoulder load lifters, water and gear will stay close to your body for maximum no-bounce comfort. Body-mapped, super-breathable materials allow for maximum comfort. Equipped with a 2L bladder and quick-release valve. Features two easy-access front bottle pockets. Front right stretch mesh stash pocket holds several gels/ front left pocket with wipe clean surface for easy storage of gel empties. Built with a water-resistant pill pocket. Side stretch mesh pockets fit most smart phones. Soft-touch, no-chafe elastic perimeter binding. Reflectivity provides enhanced visibility. Rear external shock cord provides increased capacity.