Under Armour Project Rock Backpack vs Under Armour Hustle 4.0 Backpack

The main difference between the Under Armour Project Rock Backpack and the Under Armour Hustle 4.0 Backpack is that the Project Rock Backpack has Sternum / Chest Straps (Adjustable sternum strap) while the Hustle 4.0 Backpack does not.

Under Armour Project Rock Backpack Front View
Under Armour Hustle 4.0 Backpack Front View
Specs Brand Under Armour Under Armour
Name Project Rock Backpack Hustle 4.0 Backpack
Category Laptop Sports
Sub Category Travel Gym
Capacity (L) 28.5L 26L
Dimensions (in) 11 x 7.5 x 19 5.9 x 13 x 19.3
Weight (lb) 2.5 1.3
Fabric 100% Polyester 100% Polyester
Color Graphite/Black 40+ colors and patterns
Warranty Under Armour 60 Days Return Policy Under Armour 60 Days Return Policy
Release Date ‎May 7, 2019 May 31, 2019
Rating 4.9 4.8
Price Under $100 Under $75
General Features Shoulder Straps Adjustable padded HeatGear® shoulder straps Adjustable HeatGear® curved padded shoulder straps
Sternum / Chest Straps Adjustable sternum strap
Water Proof / Water Resistant UA Storm technology water resistant finish UA Storm technology highly water-resistant finish
Zippers Rugged zippers
Main Compartment Access Normal zipped access Normal zipped access
External Pockets 3 front, 1 back and 3 side pockets 1 zipped front pocket, 1 bottom pocket, and 2 side pockets
Internal Compartments Dual main compartment with inner pockets
Side Pockets Side pockets can fit water bottle and other accessories Side pockets can fit water bottle
Water Bottle Yes Yes
Handles Top grab handle Padded top grab handle
Loops and Attachments D-ring on front panel
Business & School Features Laptop Sleeve TSA friendly laptop sleeve fits up to 15" Soft-lined padded sleeve holds up to 15" laptop
Tablet Sleeve Soft lined padded tablet sleeve
Organizer Pocket Front utility pocket with organizer
Travel Features Base / Bottom Tough, abrasion-resistant PU coated bottom panel Tough, abrasion-resistant bottom panel
Gym / Sports Features Shoe Compartment Gusseted laundry or shoe bottom pocket

You're currently comparing the Project Rock Backpack by Under Armour against the Hustle 4.0 Backpack by Under Armour .


Under Armour 's Project Rock Backpack is a Laptop backpack with Travel features while Under Armour 's Hustle 4.0 Backpack is a Sports backpack with Gym 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 Under Armour Hustle 4.0 Backpack's capacity is 26L with a size of 5.9 x 13 x 19.3 inches. Constructed from 100% Polyester it weighs 1.3 pounds and is available in 40+ colors and patterns .