Patagonia Ascensionist Pack 55L Backpack vs Gregory Mountain Baltoro 65 Backpack

The main difference between the Patagonia Ascensionist Pack 55L Backpack and the Gregory Mountain Mountain Baltoro 65 Backpack is that the Ascensionist Pack 55L Backpack has Internal Compartments (Stash Pocket) while the Mountain Baltoro 65 Backpack does not.

Patagonia Ascensionist Pack 55L Backpack - Front View
Gregory Mountain Baltoro 65 Backpack
Specs Brand Patagonia Gregory Mountain
Name Ascensionist Pack 55L Backpack Mountain Baltoro 65 Backpack
Category Backpacking Hiking
Sub Category Hiking Travel
Capacity (L) 55L 62L
Dimensions (in) 26 x 12.5 x 7.5 28 x 13 x 13
Weight (lb) 2lbs 13.2oz 4.7
Fabric 100% Nylon
Color Joya Blue 3 colors and patterns
Warranty The Gregory Limited Lifetime Warranty
Release Date September 6, 2012
Rating 4.8
Price Under $250 Under $300
General Features Shoulder Straps Straight - adjustable padded strap 3D air shoulder harness
Sternum / Chest Straps Adjustable chest strap Chest strap
Hip Belt / Waist Strap Adjustable waist strap 3D air hipbelt
Zippers Nylon zipper with string pulls Comfort grip custom molded loop zipper pullers
Main Compartment Access Dual spindrift access U-zip main opening or full body front access
External Pockets 1 top/flap zip pocket, 9 external pockets including weather shield hip belt pocket
Internal Compartments Stash Pocket
Side Pockets Side pockets can hold water bottle
Water Bottle Yes
Handles Top grab handle
Loops and Attachments Adjustable ice-axe carry, Removable compression straps, Three-point, over-the-top rope-carrying system Sunglass quick stow system
Travel Features Compression Straps External compression straps
Stowable Straps Stowable sleeping bag straps
Rear Loading Straps Yes
Base / Bottom Dual layer bottom panel
Hiking / Backpacking Features Back Panel Padded
Rain Cover Custom fitted rain cover included
Internal / External Frame Internal wishbone aluminum frame
Ergonomic Matrix ventilated back panel with layered, multi-density foam
Adjustable Length Torso Response A3 suspension with auto angle adjust
Hip Belt Pockets Yes
Top / Floating Lid Yes
Trekking Pole Holders Yes
Hydration Features Hydration Compatible Yes

You're currently comparing the Ascensionist Pack 55L Backpack by Patagonia against the Mountain Baltoro 65 Backpack by Gregory Mountain.


Patagonia's Ascensionist Pack 55L Backpack is a Backpacking backpack with Hiking features while Gregory Mountain's Mountain Baltoro 65 Backpack is a Hiking backpack with Travel features.

The Patagonia Ascensionist Pack 55L Backpack has a capacity of 55L (liters), weighs 2lbs 13.2oz pounds and it's dimensions in inches are 26 x 12.5 x 7.5. It's made of and is available in Joya Blue in comparison the Gregory Mountain Mountain Baltoro 65 Backpack's capacity is 62L with a size of 28 x 13 x 13 inches. Constructed from 100% Nylon it weighs 4.7 pounds and is available in 3 colors and patterns.