Under Armour Undeniable Sackpack vs Champion Double Up Carrysack

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

Under Armour Undeniable Sackpack Front View
Champion Double Up Carrysack Front View
Specs Brand Under Armour Champion
Name Undeniable Sackpack Double Up Carrysack
Category Drawstring Drawstring
Sub Category Gym Gym
Capacity (L) 25L
Dimensions (in) 19 x 15 x 2 5 x 5 x 0.7
Weight (lb) 0.5 0.4
Fabric 100% Polyester 100% Polyester
Color 14+ colors and patterns Black
Warranty Under Armour 60 Days Return Policy Champion 45 Days Return Policy
Release Date January 24, 2015
Rating 4.8 4.3
Price Under $50 Under $25
General Features Shoulder Straps Drawcord closure doubles as shoulder straps Drawcord closure doubles as shoulder straps
Sternum / Chest Straps Custom UA sternum clip
Main Compartment Access Drawstring access Drawstring access
External Pockets 1 zipped front pocket and side pocket
Internal Compartments Interior zipped pocket
Side Pockets Side pocket can fit water bottle
Water Bottle Yes No
Loops and Attachments D-Ring on front panel
Lightweight Yes Yes
Business & School Features Organizer Pocket Front utility pocket with organizer

You're currently comparing the Undeniable Sackpack by Under Armour against the Double Up Carrysack by Champion .


Under Armour 's Undeniable Sackpack is a Drawstring backpack with Gym features while Champion 's Double Up Carrysack is a Drawstring backpack with Gym 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 Champion Double Up Carrysack's capacity is with a size of 5 x 5 x 0.7 inches. Constructed from 100% Polyester it weighs 0.4 pounds and is available in Black.