The main difference between the Under Armour Project Rock Backpack and the Under Armour Flex Sling Bag is that the Project Rock Backpack has Sternum / Chest Straps (Adjustable sternum strap) while the Flex Sling Bag does not.
Specs | Brand | Under Armour | Under Armour |
Name | Project Rock Backpack | Flex Sling Bag | |
Category | Laptop | Sling | |
Sub Category | Travel | Mens | |
Capacity (L) | 28.5L | 15L | |
Dimensions (in) | 11 x 7.5 x 19 | 10.9 x 4.3 x 17.3 | |
Weight (lb) | 2.5 | 0.7 | |
Fabric | 100% Polyester | 100% Polyester | |
Color | Graphite/Black | 2 colors and patterns | |
Warranty | Under Armour 60 Days Return Policy | Under Armour 60 Days Return Policy | |
Release Date | May 7, 2019 | ||
Rating | 4.9 | 4.2 | |
Price | Under $100 | Under $50 | |
General Features | Shoulder Straps | Adjustable padded HeatGear® shoulder straps | Adjustable cross-body strap |
Sternum / Chest Straps | Adjustable sternum strap | ||
Water Proof / Water Resistant | UA Storm technology water resistant finish | ||
Main Compartment Access | Normal zipped access | Top access with cinch closure | |
External Pockets | 3 front, 1 back and 3 side pockets | 1 front and 2 side 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 | ||
Lightweight | Yes | ||
Business & School Features | Laptop Sleeve | TSA friendly laptop sleeve fits up to 15" | |
Tablet Sleeve | Soft lined padded tablet sleeve | ||
Travel Features | Base / Bottom | Tough, abrasion-resistant PU coated bottom panel | |
Gym / Sports Features | Shoe Compartment | Stretch shoe pocket on front panel with buckle closure fits pair of shoes |
Under Armour 's Project Rock Backpack is a Laptop backpack with Travel features while Under Armour 's Flex Sling Bag is a Sling backpack with Mens 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 Flex Sling Bag's capacity is 15L with a size of 10.9 x 4.3 x 17.3 inches. Constructed from 100% Polyester it weighs 0.7 pounds and is available in 2 colors and patterns.
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