The main difference between the Thule Upslope 20L Backpack and the Thule Stir Alpine 40L Backpack is that the Upslope 20L Backpack has Side Pockets (Side pocket can fit goggles, sunglasses or gloves) while the Stir Alpine 40L Backpack does not.
Specs | Brand | Thule | Thule |
Name | Upslope 20L Backpack | Stir Alpine 40L Backpack | |
Category | Sports | Sports | |
Sub Category | Ski | Ski | |
Capacity (L) | 20L | 40L | |
Dimensions (in) | 13 x 11 x 21.3 | 11.42 x 10.24 x 22.83 | |
Weight (lb) | 1.7 | 2.9 | |
Fabric | 420D Nylon | Coated 210D Robic, 70D Nylon | |
Color | 2 colors and patterns | Obsidian | |
Warranty | Thule Guarantee | Thule Guarantee | |
Release Date | November 27, 2020 | January 6, 2021 | |
Rating | 4.4 | 4.8 | |
Price | Under $150 | Under $200 | |
General Features | Shoulder Straps | Adjustable shoulder straps with insulated hydration hose sleeve | Padded shoulder straps with stretch pocket for snack |
Sternum / Chest Straps | Adjustable chest strap | Sternum strap with whistle buckle | |
Hip Belt / Waist Strap | Adjustable waist strap | Hip belt with gear loops | |
Water Proof / Water Resistant | Ultra durable material withstands weather and abrasion | ||
Main Compartment Access | Top and side zipped access | Top loading and side zipped access | |
External Pockets | Zipped side pocket | Top floating pocket | |
Internal Compartments | Internal hydration sleeve | Internal zippered mesh pockets | |
Side Pockets | Side pocket can fit goggles, sunglasses or gloves | ||
Handles | Top grab handle | Top grab handle | |
Loops and Attachments | Lash points for helmet, ski and board carry system, ice axe loop | External gear attachment system for skis, helmet, ice axe and more | |
Travel Features | Compression Straps | Internal and external compression straps | External compression straps |
Stowable Straps | Removable lid, frame sheet, hip belt padding and sternum strap | ||
Hiking / Backpacking Features | Back Panel | Padded back panel | Breathable back panel |
Load Lifters | Yes | ||
Top / Floating Lid | Yes | ||
Hydration Features | Hydration Compatible | Yes | Yes |
Thule 's Upslope 20L Backpack is a Sports backpack with Ski features while Thule 's Stir Alpine 40L Backpack is a Sports backpack with Ski features.
The Thule Upslope 20L Backpack has a capacity of 20L (liters), weighs 1.7 pounds and it's dimensions in inches are 13 x 11 x 21.3. It's made of 420D Nylon and is available in 2 colors and patterns 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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