The Osprey Aether™ Plus 85 is a high-capacity trekking and mountaineering backpack engineered for heavy-load stability on technical terrain. Featuring the Custom Fit-on-the-Fly™ harness system and LightWire frame, it delivers precise load transfer and all-day comfort. Ideal for multi-day expeditions and gear-intensive backcountry travel.

Features

• 85L expedition capacity for extended trips

• Removable DayLid top converts to daypack

• Included PFAS-free raincover

• Fit-on-the-Fly™ hipbelt and shoulder straps

• Adjustable torso length system

• LightWire frame for enhanced load transfer

• AirScape™ ventilated backpanel

• Large front panel zip access

• Dual front zip storage pockets

• Reinforced shove-it front pocket

• Dual stretch mesh bottle pockets

• StraightJacket compression system

• Dual ice axe loops with bungee tie-offs

• Stow-on-the-Go trekking pole attachment

• Zippered sleeping bag compartment

• Removable sleeping pad straps

• Internal hydration sleeve

• Dual zip hipbelt pockets

• Floating lid with lash points

• Integrated FlapJacket lidless cover