The Chillout Backpack is part backpack, part cooler, and all comfort. With a 24-can cooler compartment, plus extra cargo space built right in, it’s light on your back so you can be light on your feet. And the trail-ready back panel and ergonomic shoulder straps will lighten the load as you wander off-road. This item is constructed with a fabric zipper, not a waterproof zipper and may leak liquid contents. Features & Technology Ergonomically-shaped shoulder straps and wicking back-panel make this