TIMBUK2 Never Check Expandable Backpack vs Under Armour Project Rock Backpack

The main difference between the Timbuk2 Never Check Expandable Backpack and the Under Armour Project Rock Backpack is that the Never Check Expandable Backpack has Zippers (Weatherproof zippers) while the Project Rock Backpack does not.

TIMBUK2 Never Check Expandable Backpack - Front View
Under Armour Project Rock Backpack Front View
Specs Brand Timbuk2 Under Armour
Name Never Check Expandable Backpack Project Rock Backpack
Category Laptop Laptop
Sub Category Travel Travel
Capacity (L) 24.50L 28.5L
Dimensions (in) 11.42 x 11.42 x 14.17 11 x 7.5 x 19
Weight (lb) 2.64 2.5
Fabric 100% Polyester
Color Jet Black Graphite/Black
Warranty Lifetime Warranty Under Armour 60 Days Return Policy
Release Date ‎May 7, 2019
Rating 4.6 4.9
Price Under $250 Under $100
General Features Shoulder Straps J shape - adjustable padded strap Adjustable padded HeatGear® shoulder straps
Sternum / Chest Straps Adjustable chest strap Adjustable sternum strap
Water Proof / Water Resistant UA Storm technology water resistant finish
Zippers Weatherproof zippers
Main Compartment Access Normal top two way zip access Normal zipped access
External Pockets 1 front zip pocket, 1 side pocket 3 front, 1 back and 3 side pockets
Internal Compartments Laptop sleeve, mesh pocket
Side Pockets 1 side pocket Side pockets can fit water bottle and other accessories
Water Bottle Yes Yes
Handles Top grab handle Top grab handle
Business & School Features Laptop Sleeve Padded TSA friendly laptop sleeve fits up to 15"
Tablet Sleeve Padded; 9.7" iPad Soft lined padded tablet sleeve
Travel Features Base / Bottom Tough, abrasion-resistant PU coated bottom panel
Hiking / Backpacking Features Back Panel Padded

You're currently comparing the Never Check Expandable Backpack by Timbuk2 against the Project Rock Backpack by Under Armour .


Timbuk2's Never Check Expandable Backpack is a Laptop backpack with Travel features while Under Armour 's Project Rock Backpack is a Laptop backpack with Travel features.

The Timbuk2 Never Check Expandable Backpack has a capacity of 24.50L (liters), weighs 2.64 pounds and it's dimensions in inches are 11.42 x 11.42 x 14.17. It's made of and is available in Jet Black in comparison the Under Armour Project Rock Backpack's capacity is 28.5L with a size of 11 x 7.5 x 19 inches. Constructed from 100% Polyester it weighs 2.5 pounds and is available in Graphite/Black .