Under Armour Undeniable Sackpack vs Under Armour Gameday Backpack

The main difference between the Under Armour Undeniable Sackpack and the Under Armour Gameday Backpack is that the Undeniable Sackpack has Sternum / Chest Straps (Custom UA sternum clip) while the Gameday Backpack does not.

Under Armour Undeniable Sackpack Front View
Under Armour Gameday Backpack Front View
Specs Brand Under Armour Under Armour
Name Undeniable Sackpack Gameday Backpack
Category Drawstring Mens
Sub Category Gym Sports
Capacity (L) 25L 30L
Dimensions (in) 19 x 15 x 2 13 x 7 x 19
Weight (lb) 0.5 1.4
Fabric 100% Polyester 81% Polyester, 19% Nylon
Color 14+ colors and patterns 2 colors and patterns
Warranty Under Armour 60 Days Return Policy Under Armour 60 Days Return Policy
Release Date January 24, 2015 March 8, 2018
Rating 4.8 4.7
Price Under $50 Under $100
General Features Shoulder Straps Drawcord closure doubles as shoulder straps Adjustable padded HeatGear® shoulder straps
Sternum / Chest Straps Custom UA sternum clip
Water Proof / Water Resistant UA Storm technology water resistant finish
Main Compartment Access Drawstring access Normal zipped access
External Pockets 1 zipped front pocket and side pocket 2 zipped front pockets and 2 side pockets
Side Pockets Side pocket can fit water bottle Side pockets can fit water bottle
Water Bottle Yes Yes
Handles Comfortable top grab handle
Loops and Attachments D-Ring on front panel Hypalon attachment points & D-ring
Lightweight Yes
Business & School Features Laptop Sleeve Soft lined laptop sleeve fits up to 15”
Organizer Pocket Front utility pocket with organizer Front utility pocket with organizer
Travel Features Base / Bottom Tough, abrasion-resistant bottom panel

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


Under Armour 's Undeniable Sackpack is a Drawstring backpack with Gym features while Under Armour 's Gameday Backpack is a Mens backpack with Sports 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 Gameday Backpack's capacity is 30L with a size of 13 x 7 x 19 inches. Constructed from 81% Polyester, 19% Nylon it weighs 1.4 pounds and is available in 2 colors and patterns.