Columbia Unisex Atlas Explorer 25L Backpack vs Samsonite Kombi 4 Square Backpack

The main difference between the Columbia Unisex Atlas Explorer 25L Backpack and the Samsonite Kombi 4 Square Backpack is that the Unisex Atlas Explorer 25L Backpack has Zippers (Reflective zipper pulls) while the Kombi 4 Square Backpack does not.

Columbia Unisex Atlas Explorer 25L Backpack Front view
Samsonite Kombi 4 Square Backpack Front View
Specs Brand Columbia Samsonite
Name Unisex Atlas Explorer 25L Backpack Kombi 4 Square Backpack
Category Laptop Laptop
Sub Category Everyday Everyday
Capacity (L) 25L
Dimensions (in) 20.24 x 14.72 x 3.35 5.5 x 9 x 15.75
Weight (lb) 1.0 2.16
Fabric 100% Polyester with PU coating 1680D Ballistic Nylon
Color 4 Colors and patterns 2 colors and patterns
Warranty Columbia Limited Lifetime Warranty Samsonite Limited 3 Year Global Warranty
Rating 4.3 4.6
Price Under $100 Under $150
General Features Shoulder Straps Contoured padded shoulder straps Padded shoulder straps
Zippers Reflective zipper pulls
Main Compartment Access Normal zipped access Normal zipped access
External Pockets 2 side pocket 3 front and 2 side zipped pockets
Internal Compartments Multiple interior pockets for organization
Side Pockets Side pockets can fit water bottle Side pockets can fit water bottle and umbrella
Water Bottle Yes Yes
Handles Top haul handle Padded top grab handle
Loops and Attachments Elastic cord and key clip
Business & School Features Laptop Sleeve Laptop sleeve fits laptop up to 15" Padded laptop compartment fits up to 13.3”
Tablet Sleeve Dedicated padded tablet sleeve
Organizer Pocket Front organizer pocket Front organizer pocket
Travel Features Luggage Straps / Trolley Sleeve SmartSleeve™
Base / Bottom Flat padded bottom panel
Hiking / Backpacking Features Back Panel Padded back panel
Gym / Sports Features Laundry Pocket External bungee straps

You're currently comparing the Unisex Atlas Explorer 25L Backpack by Columbia against the Kombi 4 Square Backpack by Samsonite.


Columbia's Unisex Atlas Explorer 25L Backpack is a Laptop backpack with Everyday features while Samsonite's Kombi 4 Square Backpack is a Laptop backpack with Everyday features.

The Columbia Unisex Atlas Explorer 25L Backpack has a capacity of 25L (liters), weighs 1.0 pounds and it's dimensions in inches are 20.24 x 14.72 x 3.35. It's made of 100% Polyester with PU coating and is available in 4 Colors and patterns in comparison the Samsonite Kombi 4 Square Backpack's capacity is with a size of 5.5 x 9 x 15.75 inches. Constructed from 1680D Ballistic Nylon it weighs 2.16 pounds and is available in 2 colors and patterns.