Under Armour Project Rock Backpack vs Under Armour Womens Essentials Sackpack

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

Under Armour Project Rock Backpack Front View
Under Armour Womens Essentials Sackpack Front Viewe
Specs Brand Under Armour Under Armour
Name Project Rock Backpack Womens Essentials Sackpack
Category Laptop Womens
Sub Category Travel Drawstring
Capacity (L) 28.5L 13L
Dimensions (in) 11 x 7.5 x 19 17 x 7.2 x 15.4
Weight (lb) 2.5 0.2
Fabric 100% Polyester 100% Polyester
Color Graphite/Black 8 colors and patterns
Warranty Under Armour 60 Days Return Policy Under Armour 60 Days Return Policy
Release Date ‎May 7, 2019
Rating 4.9 4.4
Price Under $100 Under $50
General Features Shoulder Straps Adjustable padded HeatGear® shoulder straps String shoulder straps
Sternum / Chest Straps Adjustable sternum strap
Water Proof / Water Resistant UA Storm technology water resistant finish UA Storm technology water resistant finish
Main Compartment Access Normal zipped access Strapping system opens up to allow access to zippered main compartment
External Pockets 3 front, 1 back and 3 side pockets Ffleece-lined zipped front pocket
Side Pockets Side pockets can fit water bottle and other accessories
Water Bottle Yes No
Handles Top grab handle
Business & School Features Laptop Sleeve TSA friendly laptop sleeve fits up to 15"
Tablet Sleeve Soft lined padded tablet sleeve
Travel Features Expandable Expandable construction provides extra space
Base / Bottom Tough, abrasion-resistant PU coated bottom panel

You're currently comparing the Project Rock Backpack by Under Armour against the Womens Essentials Sackpack by Under Armour .


Under Armour 's Project Rock Backpack is a Laptop backpack with Travel features while Under Armour 's Womens Essentials Sackpack is a Womens backpack with Drawstring 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 Womens Essentials Sackpack's capacity is 13L with a size of 17 x 7.2 x 15.4 inches. Constructed from 100% Polyester it weighs 0.2 pounds and is available in 8 colors and patterns.