Whether you're headed out on a cush weekend trip filled with creature comforts or tackling a summit, Osprey's largest volume pack, the Aether Plus 100 boasts a beefier frame for big adventures and offers a stable carry that can manage the heaviest of loads. Featuring a Custom Fit-On-The-Fly Hipbelt and Shoulder Strap and a convertible top lid daypack. Constructed with high quality bluesign®-approved high-tenacity nylon and PFC-free DWR.