Patagonia Ascensionist Pack 55L Backpack vs Gregory Mountain Nano 20 Backpack

The main difference between the Patagonia Ascensionist Pack 55L Backpack and the Gregory Mountain Nano 20 Backpack is that the Ascensionist Pack 55L Backpack has Zippers (Nylon zipper with string pulls) while the Nano 20 Backpack does not.

Patagonia Ascensionist Pack 55L Backpack - Front View
Gregory Mountain Products Nano 20 Everyday Outdoor Backpack 1st Front View
Specs Brand Patagonia Gregory Mountain
Name Ascensionist Pack 55L Backpack Nano 20 Backpack
Category Backpacking Backpacking
Sub Category Hiking Hiking
Capacity (L) 55L 20L
Dimensions (in) 26 x 12.5 x 7.5 19.2 x 1.7 x 1
Weight (lb) 2lbs 13.2oz 1.5
Fabric Nylon
Color Joya Blue Obsidian Black
Warranty The Gregory Limited Lifetime Warranty
Rating 4.0
Price Under $250 Under $75
General Features Shoulder Straps Straight - adjustable padded strap Air mesh padded shoulder straps
Sternum / Chest Straps Adjustable chest strap Sternum strap
Hip Belt / Waist Strap Adjustable waist strap Removable hip belt
Zippers Nylon zipper with string pulls
Main Compartment Access Dual spindrift access Normal zipped access
External Pockets 1 top/flap zip pocket, 1 zipped front pocket and 2 side pockets
Internal Compartments Stash Pocket
Side Pockets Side pockets can fit water bottle and other accessories
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
Business & School Features Tablet Sleeve Tablet sleeve fits up to 10”
Hiking / Backpacking Features Back Panel Padded Breathable back panel
Hydration Features Hydration Compatible Yes

You're currently comparing the Ascensionist Pack 55L Backpack by Patagonia against the Nano 20 Backpack by Gregory Mountain .


Patagonia's Ascensionist Pack 55L Backpack is a Backpacking backpack with Hiking features while Gregory Mountain 's Nano 20 Backpack is a Backpacking backpack with Hiking 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 Nano 20 Backpack's capacity is 20L with a size of 19.2 x 1.7 x 1 inches. Constructed from Nylon it weighs 1.5 pounds and is available in Obsidian Black.