The main difference between the Extremus Ski Boot Backpack and the Thule Stir Alpine 40L Backpack is that the Ski Boot Backpack has Zippers (Upgraded SBS zipper with a loop) while the Stir Alpine 40L Backpack does not.
Specs | Brand | Extremus | Thule |
Name | Ski Boot Backpack | Stir Alpine 40L Backpack | |
Category | Ski | Sports | |
Sub Category | Sports | Ski | |
Capacity (L) | 70L | 40L | |
Dimensions (in) | 13.2 x 13' x 20 | 11.42 x 10.24 x 22.83 | |
Weight (lb) | 2.8 | 2.9 | |
Fabric | Nylon | Coated 210D Robic, 70D Nylon | |
Color | Grey | Obsidian | |
Warranty | Thule Guarantee | ||
Release Date | May 30, 2022 | January 6, 2021 | |
Rating | 4.3 | 4.8 | |
Price | Under $100 | Under $200 | |
General Features | Shoulder Straps | Straight - sponge-padded shoulders | Padded shoulder straps with stretch pocket for snack |
Sternum / Chest Straps | Adjustable chest strap | Sternum strap with whistle buckle | |
Hip Belt / Waist Strap | Hip belt with gear loops | ||
Water Proof / Water Resistant | 99.99% waterproof | Ultra durable material withstands weather and abrasion | |
Zippers | Upgraded SBS zipper with a loop | ||
Main Compartment Access | Two-way top access double-zipper | Top loading and side zipped access | |
External Pockets | 1 front zip pocket, 2 side zip pockets, 2 top zip pockets | Top floating pocket | |
Internal Compartments | 1 front zip pocket | Internal zippered mesh pockets | |
Side Pockets | 2 side zip pockets | ||
Handles | Top grab handle | Top grab handle | |
Loops and Attachments | Reflective straps | External gear attachment system for skis, helmet, ice axe and more | |
Travel Features | Compression Straps | External compression straps | |
Stowable Straps | Removable lid, frame sheet, hip belt padding and sternum strap | ||
Hiking / Backpacking Features | Back Panel | Cushioned back panel | Breathable back panel |
Load Lifters | Yes | ||
Top / Floating Lid | Yes | ||
Hydration Features | Hydration Compatible | Yes |
Extremus 's Ski Boot Backpack is a Ski backpack with Sports features while Thule 's Stir Alpine 40L Backpack is a Sports backpack with Ski features.
The Extremus Ski Boot Backpack has a capacity of 70L (liters), weighs 2.8 pounds and it's dimensions in inches are 13.2 x 13' x 20. It's made of Nylon and is available in Grey 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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