Thule Subterra Backpack 34L vs Thule Stir Alpine 40L Backpack

The main difference between the Thule Subterra Backpack 34L and the Thule Stir Alpine 40L Backpack is that the Subterra Backpack 34L has Side Pockets (Side pocket can fit water bottle and other accessories) while the Stir Alpine 40L Backpack does not.

Thule Subterra Backpack 34L F View
Thule Stir Alpine 40L Backpack Front View
Specs Brand Thule Thule
Name Subterra Backpack 34L Stir Alpine 40L Backpack
Category Carry On Sports
Sub Category Travel Ski
Capacity (L) 34L 40L
Dimensions (in) 9.1 x 12.2 x 20.5 11.42 x 10.24 x 22.83
Weight (lb) 2.8 2.9
Fabric 800D Nylon Coated 210D Robic, 70D Nylon
Color Black Obsidian
Warranty Thule Guarantee Thule Guarantee
Release Date February 3, 2017 January 6, 2021
Rating 4.8 4.8
Price Under $175 Under $200
General Features Shoulder Straps Breathable perforated EVA shoulder straps Padded shoulder straps with stretch pocket for snack
Sternum / Chest Straps Sternum strap Sternum strap with whistle buckle
Hip Belt / Waist Strap Hip belt with gear loops
Water Proof / Water Resistant Ultra durable material withstands weather and abrasion
Main Compartment Access Roll top and side zipped access Top loading and side zipped access
External Pockets 1 large front and 1 zipped side pocket Top floating pocket
Internal Compartments Interior sleeve and removable packing cube to organize clothes Internal zippered mesh pockets
Side Pockets Side pocket can fit water bottle and other accessories
Water Bottle Yes
Handles Top grab handle Top grab handle
Loops and Attachments External gear attachment system for skis, helmet, ice axe and more
Business & School Features Laptop Sleeve Padded laptop sleeve fits up to 15"
Tablet Sleeve Tablet pocket
Organizer Pocket Front utility pocket with organizer
Travel Features Compression Straps External compression straps
Stowable Straps Removable lid, frame sheet, hip belt padding and sternum strap
Luggage Straps / Trolley Sleeve Luggage pass through
Hiking / Backpacking Features Back Panel Padded back panel Breathable back panel
Load Lifters Yes
Top / Floating Lid Yes
Hydration Features Hydration Compatible Yes

You're currently comparing the Subterra Backpack 34L by Thule against the Stir Alpine 40L Backpack by Thule .


Thule 's Subterra Backpack 34L is a Carry On backpack with Travel features while Thule 's Stir Alpine 40L Backpack is a Sports backpack with Ski features.

The Thule Subterra Backpack 34L has a capacity of 34L (liters), weighs 2.8 pounds and it's dimensions in inches are 9.1 x 12.2 x 20.5. It's made of 800D Nylon and is available in Black in comparison the Thule Stir Alpine 40L Backpack's capacity is 40L with a size of 11.42 x 10.24 x 22.83 inches. Constructed from Coated 210D Robic, 70D Nylon it weighs 2.9 pounds and is available in Obsidian.