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