The Gregory Denali Pro Backpack is their flagship expedition pack for month-long endeavors. Cavernous volume allows you to haul gear for the most serious outings anywhere on the planet.
The massive Gregory Whitney 95 Backpack carries as much gear as youd ever want to heft at the trailhead, so you dont have to leave anything behind for a week-long trip.
Mountain Hardwear designed the BMG Backpack at the request of mountain guides who needed a burly load hauler without the weight usually associated with big bags.
The Osprey Argon 85 Backpack carries all you need for a whole week in the hills and, thanks to the ReCurve Suspension system, keeps you comfortable every step of the way.