Columbia Unisex Outdry EX 20L Backpack vs Columbia Tandem Trail 16L Backpack

The main difference between the Columbia Unisex Outdry EX 20L Backpack and the Columbia Tandem Trail 16L Backpack is that the Unisex Outdry EX 20L Backpack has Water Proof / Water Resistant (Extreme external seam sealed construction with waterproof materials) while the Tandem Trail 16L Backpack does not.

Columbia Unisex Outdry EX 20L Backpack Front View
Columbia Tandem Trail 16L Backpack - Front View
Specs Brand Columbia Columbia
Name Unisex Outdry EX 20L Backpack Tandem Trail 16L Backpack
Category Laptop Hiking
Sub Category Everyday Hydration
Capacity (L) 20L 16L
Dimensions (in) 18.1 x 15.1 x 2.5 17.7 x 10.4 x 5.7
Weight (lb) 1.0 0.66
Fabric 100% Polyester 100% Nylon
Color 2 Colors and patterns Black Fallgrass/Black
Warranty Columbia Limited Lifetime Warranty
Rating 4.5 4.2
Price Under $75 Under $75
General Features Shoulder Straps Adjustable shoulder straps Lightweight and breathable shoulder straps
Sternum / Chest Straps Adjustable sternum strap
Water Proof / Water Resistant Extreme external seam sealed construction with waterproof materials
Zippers Nylon with reflective zipper pulls
Main Compartment Access Normal zipped access Normal top zipped access
External Pockets Two water bottle pockets
Internal Compartments Organizational panel Laptop mesh sleeve
Water Bottle Yes
Handles Top grab handle
Lightweight Ultralight construction
Business & School Features Laptop Sleeve Laptop sleeve fits laptop up to 15" Padded
Hiking / Backpacking Features Back Panel Padded and quilted backpanel
Trekking Pole Holders Trekking pole attachments
Reflective Safety Strips Reflective safety accents
Other Features Other Features Hydration compatible, Versatile and customizable Twin Slot webbing

You're currently comparing the Unisex Outdry EX 20L Backpack by Columbia against the Tandem Trail 16L Backpack by Columbia.


Columbia 's Unisex Outdry EX 20L Backpack is a Laptop backpack with Everyday features while Columbia's Tandem Trail 16L Backpack is a Hiking backpack with Hydration features.

The Columbia Unisex Outdry EX 20L Backpack has a capacity of 20L (liters), weighs 1.0 pounds and it's dimensions in inches are 18.1 x 15.1 x 2.5 . It's made of 100% Polyester and is available in 2 Colors and patterns in comparison the Columbia Tandem Trail 16L Backpack's capacity is 16L with a size of 17.7 x 10.4 x 5.7 inches. Constructed from 100% Nylon it weighs 0.66 pounds and is available in Black Fallgrass/Black.