Under Armour Undeniable Sackpack vs Amatory Gym Drawstring Backpack

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

Under Armour Undeniable Sackpack Front View
Amatory Gym Drawstring Backpack Front View
Specs Brand Under Armour Amatory
Name Undeniable Sackpack Gym Drawstring Backpack
Category Drawstring Drawstring
Sub Category Gym Gym
Capacity (L) 25L 20L
Dimensions (in) 19 x 15 x 2 18.11 x 14.96 x 3.94
Weight (lb) 0.5 0.7
Fabric 100% Polyester 100% Nylon
Color 14+ colors and patterns 6 colors and patterns
Warranty Under Armour 60 Days Return Policy
Release Date January 24, 2015 May 19, 2019
Rating 4.8 4.7
Price Under $50 Under $25
General Features Shoulder Straps Drawcord closure doubles as shoulder straps Drawcord closure and doubles as shoulder straps
Sternum / Chest Straps Custom UA sternum clip
Water Proof / Water Resistant Waterproof material
Main Compartment Access Drawstring access Drawstring access
External Pockets 1 zipped front pocket and side pocket 2 zipped front pockets
Internal Compartments Large main compartment can fit a basketball and other essentials
Side Pockets Side pocket can fit water bottle
Water Bottle Yes No
Handles Top grab handle
Loops and Attachments D-Ring on front panel
Lightweight Yes
Business & School Features Organizer Pocket Front utility pocket with organizer
Gym / Sports Features Shoe Compartment Front pocket to store shoes

You're currently comparing the Undeniable Sackpack by Under Armour against the Gym Drawstring Backpack by Amatory .


Under Armour 's Undeniable Sackpack is a Drawstring backpack with Gym features while Amatory 's Gym Drawstring Backpack 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 Amatory Gym Drawstring Backpack's capacity is 20L with a size of 18.11 x 14.96 x 3.94 inches. Constructed from 100% Nylon it weighs 0.7 pounds and is available in 6 colors and patterns.