Under Armour Undeniable Sackpack vs Under Armour Triumph Backpack

The main difference between the Under Armour Undeniable Sackpack and the Under Armour Triumph Backpack is that the Undeniable Sackpack has Loops and Attachments (D-Ring on front panel ) while the Triumph Backpack does not.

Under Armour Undeniable Sackpack Front View
Under Armour Triumph Backpack - Front View
Specs Brand Under Armour Under Armour
Name Undeniable Sackpack Triumph Backpack
Category Drawstring Everyday
Sub Category Gym Daypack
Capacity (L) 25L 26.5L
Dimensions (in) 19 x 15 x 2 7.2 x 19.3 x 11.2
Weight (lb) 0.5 2.11
Fabric 100% Polyester 100% Polyester
Color 14+ colors and patterns Tent/Baroque Green
Warranty Under Armour 60 Days Return Policy
Release Date January 24, 2015
Rating 4.8
Price Under $50 Under $200
General Features Shoulder Straps Drawcord closure doubles as shoulder straps J shape - adjustable padded strap
Sternum / Chest Straps Custom UA sternum clip Adjustable chest strap
Zippers Nylon zipper with metal pulls
Main Compartment Access Drawstring access Normal top two way zip access
External Pockets 1 zipped front pocket and side pocket Secure, multipurpose side pockets, 1 front zipped pocket
Internal Compartments Laptop sleeve, tablet sleeve, slip-in organizer pockets,
Side Pockets Side pocket can fit water bottle 2 side zipped pockets
Water Bottle Yes Yes
Handles Top grab handle
Loops and Attachments D-Ring on front panel
Lightweight Yes
Business & School Features Laptop Sleeve Padded; holds up to 15" MacBook Pro® or similarly sized laptop
Tablet Sleeve Padded
Organizer Pocket Front utility pocket with organizer
Hiking / Backpacking Features Back Panel Padded

You're currently comparing the Undeniable Sackpack by Under Armour against the Triumph Backpack by Under Armour.


Under Armour 's Undeniable Sackpack is a Drawstring backpack with Gym features while Under Armour's Triumph Backpack is a Everyday backpack with Daypack features.

The Under Armour Undeniable Sackpack has a capacity of 25L (liters), weighs 0.5 pounds and it's dimensions in inches are 19 x 15 x 2. It's made of 100% Polyester and is available in 14+ colors and patterns in comparison the Under Armour Triumph Backpack's capacity is 26.5L with a size of 7.2 x 19.3 x 11.2 inches. Constructed from 100% Polyester it weighs 2.11 pounds and is available in Tent/Baroque Green.