Thule 20L Lithos Backpack vs Thule Chasm 40L Duffel Bag

The main difference between the Thule 20L Lithos Backpack and the Thule Chasm 40L Duffel Bag is that the 20L Lithos Backpack has External Pockets (1 zipped front pocket and 2 side pockets) while the Chasm 40L Duffel Bag does not.

Thule Lithos Backpack Front View
Thule Chasm 40L Duffel Bag Front View
Specs Brand Thule Thule
Name 20L Lithos Backpack Chasm 40L Duffel Bag
Category Commuter Sport
Sub Category Everyday Gym
Capacity (L) 20L 40L
Dimensions (in) 11 x 9 x 17.3 22 x 13 x 10
Weight (lb) 1.6 3.1
Fabric Polyester Ripstop Phthalate-free TPE Laminate with a 840D Nylon Base
Color 8 colors and patterns 4 colors and patterns
Warranty Thule Guarantee Thule Guarantee
Release Date July 8, 2020 May 7, 2020
Rating 4.8 4.8
Price Under $100 Under $250
General Features Shoulder Straps Adjustable padded shoulder straps Adjustable shoulder straps
Water Proof / Water Resistant Weather-resistant material
Main Compartment Access Normal zipped access Clamshell
External Pockets 1 zipped front pocket and 2 side pockets
Internal Compartments Internal sleeves and zipped mesh pocket Internal mesh pockets to organize small items
Side Pockets Side pockets can fit water bottle
Water Bottle Yes No
Handles Top grab handle Top and side grab handles
Loops and Attachments Light lash point on front panel
Convertible Yes
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 Packable / Foldable Foldable into its accessory pouch
Compression Straps External compression straps
Stowable Straps Stowable shoulder straps
Base / Bottom Padded bottom panel
Hiking / Backpacking Features Back Panel Padded back panel
Anti Theft Features Lockable Zippers Deter theft with lockable zipper pulls
Other Features Other Features Includes accessory pouch

You're currently comparing the 20L Lithos Backpack by Thule against the Chasm 40L Duffel Bag by Thule .


Thule 's 20L Lithos Backpack is a Commuter backpack with Everyday features while Thule 's Chasm 40L Duffel Bag is a Sport backpack with Gym 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 Chasm 40L Duffel Bag's capacity is 40L with a size of 22 x 13 x 10 inches. Constructed from Phthalate-free TPE Laminate with a 840D Nylon Base it weighs 3.1 pounds and is available in 4 colors and patterns.