Osprey Atmos AG 65 Men's

The Osprey Atmos AG 65 is the flagship men's pack in the Anti-Gravity line, with 65 liters total — 50 liters in the main compartment and 15 liters in an expandable collar, so capacity can be scaled down when not needed. At 2096 g and a 31 l/kg ratio, it's on the lighter end of the fully featured category. Its signature feature is a trampoline-style mesh suspended on a wire frame, which holds the back away from the load and improves airflow. Torso length is adjustable, and the hip belt is padded but not removable. The main compartment opens from the top and the bottom, so a sleeping bag can be pulled out without unpacking everything; the removable lid doubles as an extra pocket. One front and two side pockets plus hip belt pockets round out storage, and dual ice axe loops extend use into rougher terrain. Unlike some other Osprey models in this group, it does not include an integrated rain cover. The fabric blend is recycled nylon — honeycomb, high-tenacity, and reinforced 500D — all bluesign-certified. It suits multi-day treks and more demanding thru-hiking where back ventilation and the ability to scale volume to trip length matter.