Columbia Trek™ 24L Backpack vs Columbia Unisex Outdry EX 20L Backpack

The main difference between the Columbia Trek™ 24L Backpack and the Columbia Unisex Outdry EX 20L Backpack is that the Trek™ 24L Backpack has Zippers (Nylon zipper with string pulls) while the Unisex Outdry EX 20L Backpack does not.

Columbia Trek™ 24L Backpack - Front View
Columbia Unisex Outdry EX 20L Backpack Front View
Specs Brand Columbia Columbia
Name Trek™ 24L Backpack Unisex Outdry EX 20L Backpack
Category Commuter Laptop
Sub Category Daypack Everyday
Capacity (L) 24L 20L
Dimensions (in) 5.5 x 11.8 x 16.5 18.1 x 15.1 x 2.5
Weight (lb) 0.8lb 1oz 1.0
Fabric 100% Polyester 100% Polyester
Color Peach Blossom/Dark Coral 2 Colors and patterns
Warranty Columbia Limited Lifetime Warranty
Rating 4.5
Price Under $100 Under $75
General Features Shoulder Straps Straight - adjustable padded strap Adjustable shoulder straps
Water Proof / Water Resistant Extreme external seam sealed construction with waterproof materials
Zippers Nylon zipper with string pulls
Main Compartment Access Normal top two way zip access Normal zipped access
External Pockets 1 front zippered pocket
Internal Compartments Water bottle pocket Organizational panel
Side Pockets 1 side slip in pocket
Water Bottle Yes
Handles Two webbing top handles
Business & School Features Laptop Sleeve Padded; can accommodate most computers up to 15" Laptop sleeve fits laptop up to 15"
Hiking / Backpacking Features Back Panel Padded
Reflective Safety Strips Reflective safety accents

You're currently comparing the Trek™ 24L Backpack by Columbia against the Unisex Outdry EX 20L Backpack by Columbia .


Columbia's Trek™ 24L Backpack is a Commuter backpack with Daypack features while Columbia 's Unisex Outdry EX 20L Backpack is a Laptop backpack with Everyday features.

The Columbia Trek™ 24L Backpack has a capacity of 24L (liters), weighs 0.8lb 1oz pounds and it's dimensions in inches are 5.5 x 11.8 x 16.5. It's made of 100% Polyester and is available in Peach Blossom/Dark Coral in comparison the Columbia Unisex Outdry EX 20L Backpack's capacity is 20L with a size of 18.1 x 15.1 x 2.5 inches. Constructed from 100% Polyester it weighs 1.0 pounds and is available in 2 Colors and patterns.