For heavyweight weekends or weeklong backpacking trips where comfort and ventilation are paramount, people know to reach for the Atmos 65. You'll forget how much you really packed with its AntiGravity suspension, delivering an incredible fit that seamlessly envelopes your back and hips in 3D-suspended mesh. From easy-to-use stretch mesh side pockets for water bottles, an internal reservoir sleeve for additional hydration opportunity, Stow-on-the-Go trekking pole attachment and integrated raincover, the Atmos 65 is an industry-leading contender for backpacking packs. Made with recycled main, accent and bottom fabrics.