Lightweight, Ventilated Backpack, Cut Down to the Essentials.

The Osprey Atmos AG LT 65 is built for backpackers who need to cut weight without sacrificing comfort or carry capacity. Featuring the same award-winning AntiGravity™ suspension as the original, this streamlined version wraps your body in ventilated 3D mesh for exceptional support on long hauls.

Trimmed down to the essentials, the Atmos AG LT 65 retains key features including an included raincover, curved zip access on one side of the main panel, a fabric-reinforced front shove-it pocket, and tall dual-access side water bottle pockets. Additional trail-ready features include dual upper/lower side compression straps, dual zippered hipbelt pockets, dual ice axe loops with upper compression strap capture, removable sleeping pad straps, and an internal hydration reservoir sleeve with a center back exit port.

Made with bluesign® approved, recycled main body fabrics and designed with a men’s-specific fit, the Atmos AG LT 65 offers dependable performance and comfort in a lighter, more focused design—perfect for fast-moving, multi-day adventures.