The main difference between the Thule 20L Lithos Backpack and the Thule Stir Alpine 40L Backpack is that the 20L Lithos Backpack has Side Pockets (Side pockets can fit water bottle) while the Stir Alpine 40L Backpack does not.
Specs | Brand | Thule | Thule |
Name | 20L Lithos Backpack | Stir Alpine 40L Backpack | |
Category | Commuter | Sports | |
Sub Category | Everyday | Ski | |
Capacity (L) | 20L | 40L | |
Dimensions (in) | 11 x 9 x 17.3 | 11.42 x 10.24 x 22.83 | |
Weight (lb) | 1.6 | 2.9 | |
Fabric | Polyester Ripstop | Coated 210D Robic, 70D Nylon | |
Color | 8 colors and patterns | Obsidian | |
Warranty | Thule Guarantee | Thule Guarantee | |
Release Date | July 8, 2020 | January 6, 2021 | |
Rating | 4.8 | 4.8 | |
Price | Under $100 | Under $200 | |
General Features | Shoulder Straps | Adjustable padded shoulder straps | Padded shoulder straps with stretch pocket for snack |
Sternum / Chest Straps | Sternum strap with whistle buckle | ||
Hip Belt / Waist Strap | Hip belt with gear loops | ||
Water Proof / Water Resistant | Ultra durable material withstands weather and abrasion | ||
Main Compartment Access | Normal zipped access | Top loading and side zipped access | |
External Pockets | 1 zipped front pocket and 2 side pockets | Top floating pocket | |
Internal Compartments | Internal sleeves and zipped mesh pocket | Internal zippered mesh pockets | |
Side Pockets | Side pockets can fit water bottle | ||
Water Bottle | Yes | ||
Handles | Top grab handle | Top grab handle | |
Loops and Attachments | Light lash point on front panel | External gear attachment system for skis, helmet, ice axe and more | |
Business & School Features | Laptop Sleeve | Padded laptop pocket fits up to 15.6" | |
Tablet Sleeve | Dedicated tablet pocket | ||
Organizer Pocket | Front utility pocket with organizer | ||
Travel Features | 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 |
Thule 's 20L Lithos Backpack is a Commuter backpack with Everyday features while Thule 's Stir Alpine 40L Backpack is a Sports backpack with Ski features.
The Thule 20L Lithos Backpack has a capacity of 20L (liters), weighs 1.6 pounds and it's dimensions in inches are 11 x 9 x 17.3. It's made of Polyester Ripstop and is available in 8 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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