Patagonia Ascensionist Pack 55L Backpack vs Mountaintop 40L Hiking Backpack

The main difference between the Patagonia Ascensionist Pack 55L Backpack and the Mountaintop 40L Hiking Backpack is that the Ascensionist Pack 55L Backpack has Loops and Attachments (Adjustable ice-axe carry, Removable compression straps, Three-point, over-the-top rope-carrying system) while the 40L Hiking Backpack does not.

Patagonia Ascensionist Pack 55L Backpack - Front View
Mountaintop 40L Hiking Backpack FRont View
Specs Brand Patagonia Mountaintop
Name Ascensionist Pack 55L Backpack 40L Hiking Backpack
Category Backpacking Hiking
Sub Category Hiking Outdoor
Capacity (L) 55L 40L
Dimensions (in) 26 x 12.5 x 7.5 20.1 x 13.8 x 6.3
Weight (lb) 2lbs 13.2oz 2.1
Fabric Polyester
Color Joya Blue 20+ colors and patterns
Warranty Mountaintop Warranty
Release Date August 1, 2016
Rating 4.6
Price Under $250 Under $50
General Features Shoulder Straps Straight - adjustable padded strap S-curve sponge padded shoulder strap
Sternum / Chest Straps Adjustable chest strap Elastic chest strap
Hip Belt / Waist Strap Adjustable waist strap Adjustable waist belt
Water Proof / Water Resistant Water resistant material
Zippers Nylon zipper with string pulls YKK zippers
Main Compartment Access Dual spindrift access Normal zipped access
External Pockets 1 top/flap zip pocket, Zipped top, middle and bottom pockets plus two side pockets
Internal Compartments Stash Pocket Spacious main compartment with pockets
Side Pockets Side pockets can fit water bottle or umbrella
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 Laptop Sleeve Laptop pocket fits up to 17"
Tablet Sleeve Separate tablet pocket
Organizer Pocket Front utility pocket
Travel Features Carry-on Size Compliant 40.2 linear inches carry on size compliant
Compression Straps External compression straps
Hiking / Backpacking Features Back Panel Padded Breathable padded back panel
Rain Cover Rain cover included
Ventilated Back Air diversion back system
Trekking Pole Holders Hiking pole attachment
Gym / Sports Features Shoe Compartment Bottom compartment for shoes

You're currently comparing the Ascensionist Pack 55L Backpack by Patagonia against the 40L Hiking Backpack by Mountaintop .


Patagonia's Ascensionist Pack 55L Backpack is a Backpacking backpack with Hiking features while Mountaintop 's 40L Hiking Backpack is a Hiking backpack with Outdoor 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 Mountaintop 40L Hiking Backpack's capacity is 40L with a size of 20.1 x 13.8 x 6.3 inches. Constructed from Polyester it weighs 2.1 pounds and is available in 20+ colors and patterns.