Osprey Ariel AG 75

Osprey says:
Carry basecamp worthy loads with skis to boot, or journey beyond the reach of resupplies. For backpacking, thru-hikes and alpine expeditions, the Ariel AG Series has a pedigree like no other pack. We set the bar for technical backpacking packs by combining Anti-Gravity technology with customizable fit and innovative features like our new convertible top lid to create a more capable and comfortable pack for long-haul load carryingon any multi-day excursion. Carry basecamp worthy loads with skis to boot, or backpackbeyond the reach of resupplies. When you need a pack that can carry heavy loads for up to a week or for months, there is no better option than the Ariel AG 75 pack.