Designed for weekends backpacking and lighter-weight multiday-overnight trips where comfort and ventilation are paramount, the Osprey Atmos AG 50 backpack offers a weight-defying fit with its AntiGravity suspension system that seamlessly envelops your back and hips in 3D-suspended mesh. This pack includes easy-to-use stretch mesh side pockets for water bottles, an internal reservoir sleeve for hydration options, and a Stow-on-the-Go trekking pole attachment. An integrated raincover keeps your gear dry in changing weather. Made with 100% recycled materials, this world-class backpacking pack features adjustable torso length, a FlapJacket™ for use without the hood, double zippered belt pockets, twin ice ax loops, and top access. It also has a sternum strap with a whistle, removable sleeping mat straps, base access with a zipper, dual compression straps, and a lightweight peripheral structure. The removable top cover has two compartments, and the ExoForm™/Biostretch™ harness with a load lifting frame is compatible with Hydraulics™ Reservoirs and Hydraulics™ LT Reservoirs. The adjustable AG AntiGravity™ 3D back system with suspended net provides a Fit-on-the-Fly™ adjustable belt. It also features an integrated and removable waterproof cover, an internal hydration sleeve, and a base compartment with an internal sleeping bag divider. An expandable front pocket and stretch mesh side pockets offer additional storage.