Hands-free hydration during workouts? It"s a reality with the Nathan Sports Endurance Hydration Vest, and an immediate one at that. This three-way propulsion runner"s vest is outfitted with comfortable back padding and a 2-liter hydration bladder with an easy slide-seal top and rapid-access straw that wraps around the vest"s front. Multiple pockets allow for the small essentials you need to carry, including a place to stash an extra 22 oz. bottle. Additional Information * Hydration bladder has rapid-access straw that goes from front to back * Mesh and waterproof pockets include zippered, open, and flap styles, including one for a 22 oz. bottle * Manufacturer"s warranty included - see Product Guarantee area for complete details About Nathan Sports Nathan Sports is willing to go to the extreme to best serve its clientele - that"s why team members head outside the Sharon Hill, Penn., office and into the Tetons, Grand Canyon, and countless other marathons. Nathan"s best ideas are the fruits of these labors, the discoveries of what needs to be improved during training and competition, often under extreme conditions. Every race, ride, and run isn"t just an athletic challenge - it"s an experiment. The results are innovations like those in Nathan Sports" hydration system line, each one designed to make speedy access to fluids and fuel intuitive without interrupting a run or ride. * 3-way propulsion harness with contoured back padding * 2-liter hydration bladder with slide seal at back * 4 front pockets for small items and water bottle * Adjustable shock cord * Manufacturer"s warranty included