Thule 20L Lithos Backpack vs Thule RoundTrip Ski Boot Backpack

The main difference between the Thule 20L Lithos Backpack and the Thule RoundTrip Ski Boot backpack is that the 20L Lithos Backpack has Internal Compartments (Internal sleeves and zipped mesh pocket) while the RoundTrip Ski Boot backpack does not.

Thule Lithos Backpack Front View
Thule RoundTrip Ski Boot backpack - Front View
Specs Brand Thule Thule
Name 20L Lithos Backpack RoundTrip Ski Boot backpack
Category Commuter Ski
Sub Category Everyday Sports
Capacity (L) 20L 55L
Dimensions (in) 11 x 9 x 17.3 20 x 15.5 x 7
Weight (lb) 1.6 1
Fabric Polyester Ripstop Polyester
Color 8 colors and patterns Black/Wood Thrush
Warranty Thule Guarantee
Release Date July 8, 2020 July 1, 2020
Rating 4.8 4.7
Price Under $100 Under $150
General Features Shoulder Straps Adjustable padded shoulder straps Padded shoulder straps
Sternum / Chest Straps Adjustable chest strap
Zippers Lockable zippers deter theft
Main Compartment Access Normal zipped access Rear-loading main access
External Pockets 1 zipped front pocket and 2 side pockets Two spacious side pockets store outwear, gloves and accessories, 1 front zip access, 1 top zip pocket
Internal Compartments Internal sleeves and zipped mesh pocket
Side Pockets Side pockets can fit water bottle 2 side pockets
Water Bottle Yes
Handles Top grab handle Multiple grab handles allow for easy transport
Loops and Attachments Light lash point on front panel
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 Base / Bottom Heavy duty tarpaulin bottom provides added protection
Hiking / Backpacking Features Back Panel Padded back panel

You're currently comparing the 20L Lithos Backpack by Thule against the RoundTrip Ski Boot backpack by Thule.


Thule 's 20L Lithos Backpack is a Commuter backpack with Everyday features while Thule's RoundTrip Ski Boot backpack is a Ski backpack with Sports 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 RoundTrip Ski Boot backpack's capacity is 55L with a size of 20 x 15.5 x 7 inches. Constructed from Polyester it weighs 1 pounds and is available in Black/Wood Thrush.