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.
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 |
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.
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