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