The main difference between the Thule Stir Alpine 40L Backpack and the Deuter Alproof Lite 20 SL Backpack is that the Stir Alpine 40L Backpack has Water Proof / Water Resistant (Ultra durable material withstands weather and abrasion) while the Alproof Lite 20 SL Backpack does not.
Specs | Brand | Thule | Deuter |
Name | Stir Alpine 40L Backpack | Alproof Lite 20 SL Backpack | |
Category | Sports | Ski | |
Sub Category | Ski | Sports | |
Capacity (L) | 40L | 20L | |
Dimensions (in) | 11.42 x 10.24 x 22.83 | 19.6 x 11.4 x 7.4 | |
Weight (lb) | 2.9 | 5.29 | |
Fabric | Coated 210D Robic, 70D Nylon | 330D PA 6.6 Ripstop | |
Color | Obsidian | Green | |
Warranty | Thule Guarantee | 2 years warranty | |
Release Date | January 6, 2021 | ||
Rating | 4.8 | ||
Price | Under $200 | Under $1500 | |
General Features | Shoulder Straps | Padded shoulder straps with stretch pocket for snack | Load adjustment straps |
Sternum / Chest Straps | Sternum strap with whistle buckle | Adjustable sternum strap with signal whistle | |
Hip Belt / Waist Strap | Hip belt with gear loops | Adjustable waist strap | |
Water Proof / Water Resistant | Ultra durable material withstands weather and abrasion | ||
Zippers | Nylon zipper with string pulls | ||
Main Compartment Access | Top loading and side zipped access | Normal top two way zip access | |
External Pockets | Top floating pocket | 2 external pockets | |
Internal Compartments | Internal zippered mesh pockets | Three zipped inner pockets | |
Side Pockets | 2 side pockets | ||
Water Bottle | Yes | ||
Handles | Top grab handle | Top grab handle | |
Loops and Attachments | External gear attachment system for skis, helmet, ice axe and more | Ice Axe Attachment, helmet clips, material straps | |
Lightweight | Lightweight | ||
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 | Padded |
Load Lifters | Yes | ||
Hip Belt Pockets | 2 hip belt pocket | ||
Top / Floating Lid | Yes | ||
Hydration Features | Hydration Compatible | Yes | |
Other Features | Other Features | Alpride E2 Airbag System |
Thule 's Stir Alpine 40L Backpack is a Sports backpack with Ski features while Deuter 's Alproof Lite 20 SL 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 Deuter Alproof Lite 20 SL Backpack's capacity is 20L with a size of 19.6 x 11.4 x 7.4 inches. Constructed from 330D PA 6.6 Ripstop it weighs 5.29 pounds and is available in Green.
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