Under Armour Project Rock Backpack vs TIMBUK2 Never Check Expandable Backpack

The main difference between the Under Armour Project Rock Backpack and the Timbuk2 Never Check Expandable Backpack is that the Project Rock Backpack has Water Proof / Water Resistant (UA Storm technology water resistant finish) while the Never Check Expandable Backpack does not.

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

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


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

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