Columbia Unisex Trek 18L Backpack vs Columbia Trek™ 24L Backpack

The main difference between the Columbia Unisex Trek 18L Backpack and the Columbia Trek™ 24L Backpack is that the Unisex Trek 18L Backpack has Lightweight (Yes) while the Trek™ 24L Backpack does not.

Columbia Unisex Trek 18L Backpack Front View
Columbia Trek™ 24L Backpack - Front View
Specs Brand Columbia Columbia
Name Unisex Trek 18L Backpack Trek™ 24L Backpack
Category Laptop Commuter
Sub Category Everyday Daypack
Capacity (L) 18L 24L
Dimensions (in) 5.13 x 10.6 x 15.75 5.5 x 11.8 x 16.5
Weight (lb) 0.8lb 1oz
Fabric 100% Polyester 100% Polyester
Color 2 Colors and patterns Peach Blossom/Dark Coral
Warranty Columbia Limited Lifetime Warranty
Price Under $50 Under $100
General Features Shoulder Straps Adjustable shoulder straps Straight - adjustable padded strap
Zippers Nylon zipper with string pulls
Main Compartment Access Normal zipped access Normal top two way zip access
External Pockets 1 front zipped pocket and 1 side pocket 1 front zippered pocket
Internal Compartments Water bottle pocket
Side Pockets Side pockets can fit water bottle 1 side slip in pocket
Water Bottle Yes Yes
Handles Top grab handle Two webbing top handles
Lightweight Yes
Business & School Features Laptop Sleeve Laptop sleeve fits laptop up to 15" Padded; can accommodate most computers up to 15"
Hiking / Backpacking Features Back Panel Padded

You're currently comparing the Unisex Trek 18L Backpack by Columbia against the Trek™ 24L Backpack by Columbia.


Columbia's Unisex Trek 18L Backpack is a Laptop backpack with Everyday features while Columbia's Trek™ 24L Backpack is a Commuter backpack with Daypack features.

The Columbia Unisex Trek 18L Backpack has a capacity of 18L (liters), weighs pounds and it's dimensions in inches are 5.13 x 10.6 x 15.75. It's made of 100% Polyester and is available in 2 Colors and patterns in comparison the Columbia Trek™ 24L Backpack's capacity is 24L with a size of 5.5 x 11.8 x 16.5 inches. Constructed from 100% Polyester it weighs 0.8lb 1oz pounds and is available in Peach Blossom/Dark Coral.