Under Armour Loudon Backpack vs Under Armour Flex Sling Bag

The main difference between the Under Armour Loudon Backpack and the Under Armour Flex Sling Bag is that the Loudon Backpack has Water Proof / Water Resistant (UA Storm technology water repellant finish) while the Flex Sling Bag does not.

Under Armour Loudon Backpack
Under Armour Flex Sling Bag Front View
Specs Brand Under Armour Under Armour
Name Loudon Backpack Flex Sling Bag
Category Mens Sling
Sub Category Everyday Mens
Capacity (L) 21L 15L
Dimensions (in) 11.8 x 5 x 17.7 10.9 x 4.3 x 17.3
Weight (lb) 0.9 0.7
Fabric 100% Polyester 100% Polyester
Color 30+ colors and patterns 2 colors and patterns
Warranty Under Armour 60 Days Return Policy Under Armour 60 Days Return Policy
Release Date October 19, 2018
Rating 4.7 4.2
Price Under $50 Under $50
General Features Shoulder Straps Adjustable HeatGear shoulder straps Adjustable cross-body strap
Water Proof / Water Resistant UA Storm technology water repellant finish
Main Compartment Access Normal zipped access Top access with cinch closure
External Pockets 1 zipped front pocket 1 front and 2 side pockets
Side Pockets Side pockets can fit water bottle
Water Bottle No Yes
Handles Top grab handle
Lightweight Yes
Business & School Features Laptop Sleeve Soft-lined laptop sleeve holds up to 15"
Organizer Pocket Front utility pocket with organizer
Gym / Sports Features Shoe Compartment Stretch shoe pocket on front panel with buckle closure fits pair of shoes

You're currently comparing the Loudon Backpack by Under Armour against the Flex Sling Bag by Under Armour .


Under Armour 's Loudon Backpack is a Mens backpack with Everyday features while Under Armour 's Flex Sling Bag is a Sling backpack with Mens features.

The Under Armour Loudon Backpack has a capacity of 21L (liters), weighs 0.9 pounds and it's dimensions in inches are 11.8 x 5 x 17.7. It's made of 100% Polyester and is available in 30+ colors and patterns 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.