Best Under Armour Gym Bags of 2025

Luke Dobson Avatar
Luke Dobson
Last Updated: 8 Feb 2025

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For gym-goers, a reliable gym bag is essential to keep all their workout essentials in one place. Under Armour offers a range of gym bags suitable for all types of fitness enthusiasts. These bags are made from durable materials and provide ample space for gym clothes, shoes, water bottles, and other accessories. Under Armour gym bags are designed with multiple compartments to keep items organised, and some even feature waterproof pockets to protect valuables from sweat and moisture. With stylish designs and functional features, Under Armour gym bags are a great investment for anyone looking to stabilise their gym routine.

At a Glance: Our Top Picks

Under Armour UA Charged Commit TR 3 Trainers Cover #TOP 1
Under Armour UA Charged Commit TR 3 Trainers
ftb score rating icon 9.8
Under Armour UA Undeniable 5.0 Duffle XS Backpack Cover #TOP 2
Under Armour UA Undeniable 5.0 Duffle XS Backpack
ftb score rating icon 9.7
Under Armour UA Undeniable 5.0 Duffle Backpack Cover #TOP 3
Under Armour UA Undeniable 5.0 Duffle Backpack
ftb score rating icon 9.5

Top 10 Under Armour Gym Bags

#TOP 1

Under Armour UA Charged Commit TR 3 Trainers

1369221/1369222/1369223/1376454
Black
Under Armour UA Charged Commit TR 3 Trainers Cover
Under Armour Men's UA Charged Commit TR 3, Men's Running Shoes with Max Cushioning and Impact Absorption, Lightweight Men's Gym Trainers for Extreme Training

The UA Charged Commit TR 3 trainers are designed to keep you dry and comfortable during extreme training sessions. With their water-repellent UA Storm technology, you can confidently face the elements without worrying about your gear getting wet. The sturdy design, featuring a tough TPU-coated and foam-lined bottom, ensures durability and structure, making it perfect for rigorous workouts. Additionally, the padded HeatGear shoulder strap provides comfort, preventing any digging into your shoulders, even when the bag is packed full. You’ll appreciate the convenience of the large vented pocket for laundry and various other internal pockets to keep your gear organised.

What We Like
Water-repellent technology
Durable and sturdy design
Comfortable padded strap
Convenient organisation pockets
#TOP 2

Under Armour UA Undeniable 5.0 Duffle XS Backpack

1369221/1369222/1369223/1376454
Black
One Size
Under Armour UA Undeniable 5.0 Duffle XS Backpack Cover
Under Armour Unisex UA Undeniable 5.0 Duffle XS Backpack

The Under Armour UA Undeniable Backpack is designed for durability and practicality, making it ideal for your active lifestyle. Its UA Storm technology ensures your belongings stay dry, thanks to a highly water-repellent finish. The tough, TPU-coated and foam-lined bottom provides added structure, so you can carry your gear with confidence. A large vented pocket is perfect for laundry or shoes, helping you keep your items organised and separate. With internal slip pockets, you can easily access smaller items without rummaging through your bag.

What We Like
Water-repellent finish
Durable construction
Vented pocket for shoes
Organisational slip pockets
#TOP 3

Under Armour UA Undeniable 5.0 Duffle Backpack

1369224
Black
One Size
Under Armour UA Undeniable 5.0 Duffle Backpack Cover
Under Armour Unisex UA Undeniable 5.0 Duffle LG Backpack

The Under Armour UA Undeniable Duffle offers excellent features for your active lifestyle. Its UA Storm technology ensures that your belongings stay dry, providing a highly water-repellent finish that protects against the elements. The tough, TPU-coated and foam-lined bottom and side panels enhance durability, ensuring the bag withstands daily wear and tear. With a capacity of 101 litres and dual water bottle slip pockets, you can easily carry all your essentials. The large vented pocket is perfect for storing laundry or shoes, keeping your items organised and separate.

What We Like
Highly water-repellent finish
Durable construction
Spacious 101L capacity
Vented pocket for laundry
#TOP 4

Under Armour UA Undeniable 5.0 Duffle Backpack

1369223
Black
One Size
Under Armour UA Undeniable 5.0 Duffle Backpack Cover
Under Armour Unisex UA Undeniable 5.0 Duffle MD Backpack

The Under Armour Duffle Backpack is designed to withstand the elements with its UA Storm technology, providing a highly water-repellent finish that keeps your belongings dry. Its tough, TPU-coated and foam-lined bottom and side panels add durability, ensuring that the bag maintains its structure even under heavy use. You will appreciate the dual water bottle slip pockets, allowing you to stay hydrated on the go. Additionally, the large vented pocket is perfect for storing laundry or shoes, separating them from your other items and keeping everything organised.

What We Like
Highly water-repellent finish
Durable and structured design
Dual water bottle pockets
Vented pocket for shoes
#TOP 5

Under Armour UA Undeniable Sackpack for Gym

1369220
One Size
Under Armour UA Undeniable Sackpack for Gym Cover
Under Armour Unisex UA Undeniable Sackpack, Drawstring Bag for the Gym, Sports Bag for Running, Jogging, and More, Versatile Gym Bag with Chest Clip for Added Comfort

The Under Armour Sackpack is perfect for those on the go. Its grab-and-go design allows you to quickly pack your essentials, making it ideal for spontaneous trips to the gym. The durable material ensures it withstands daily use, so you can rely on it for your workouts. With secure fastenings, including a chest clip, you can carry your gear comfortably without worrying about it shifting. Plus, the spacious design accommodates everything from trainers to toiletries, keeping all your items organised and easy to access.

What We Like
Easy to pack and carry
Durable for daily use
Comfortable secure fit
Spacious for all essentials
#TOP 6

Under Armour Unisex Waterproof Sports Bag

Under Armour Unisex Waterproof Sports Bag Cover
UNDER ARMOUR Unisex Sports Bag Shoulder Bag Travel Bag Undeniable 5.0 Duffle, Colour: Blue, Item: -410 Navy, navy

The Under Armour Duffle Bag is designed to meet all your travel and sports needs. Its waterproof feature ensures your belongings stay dry, making it perfect for outdoor activities or unexpected weather. The spacious main compartment provides ample room for your essentials, while the large, ventilated side compartment is ideal for storing shoes or dirty laundry, keeping everything fresh. With two additional zip compartments on the outside, you can easily organise smaller items, and the adjustable shoulder strap offers comfort during transport.

What We Like
Waterproof material
Spacious main compartment
Ventilated shoe compartment
Multiple zip compartments
Adjustable shoulder strap
#TOP 7

Under Armour Undeniable 4.0 Gym Duffel Bag

1342657
Black
One Size
Under Armour Undeniable 4.0 Gym Duffel Bag Cover
Under Armour Unisex Undeniable Duffel 4.0 MD, Gym Bag, Duffle Bag

The Under Armour Undeniable Duffle is designed to keep your belongings safe and dry, thanks to its water-resistant UA Storm technology. You can confidently transport your gear in any weather. The robust and abrasion-resistant bottom and side panels ensure durability, protecting against scrapes on rough surfaces. Additionally, the large vented pouch allows you to store dirty clothes and trainers after workouts, so you can keep everything organised. A handy D-ring provides an extra attachment point for convenience during your travels.

What We Like
Water-resistant for all weather
Durable and abrasion-resistant design
Large vented pouch for dirty clothes
Extra attachment point with D-ring
#TOP 8

Under Armour UA Undeniable 5.0 Duffle Bag

1369224
Midnight Navy
One Size
Under Armour UA Undeniable 5.0 Duffle Bag Cover
Under Armour UA Undeniable 5.0 Duffle LG, Water-Resistant Gym Bag, Comfortable and Versatile Unisex Duffle Bag

The UA Undeniable 5.0 Duffle is designed with innovative Storm technology, providing a highly water-resistant finish that keeps your belongings dry in adverse weather. Its tough bottom, featuring PU-coating and foam lining, ensures the bag withstands wear and tear over time. You will appreciate the padded shoulder strap, which is removable for added comfort during transport, along with a padded top grab handle for easy lifting. Additionally, the multiple pockets, including a large vented pocket for laundry or shoes, help you stay organised on the go.

What We Like
Highly water-resistant finish
Tough and durable construction
Comfortable padded shoulder strap
Multiple organisational pockets
#TOP 9

Under Armour UA Ozsee Sackpack for Gym

1240539
Black / / Steel
One Size
Under Armour UA Ozsee Sackpack for Gym Cover
Under Armour Unisex UA Ozsee Sackpack, Drawstring Bag for the Gym, Running, Jogging, and More, Versatile Gym Bag with Chest Clip for Added Comfort

The UA Ozsee Sackpack is designed for convenience, making it easy for you to grab your gym essentials and go. Its durable material ensures it withstands daily use, so you can rely on it for all your activities. The secure fastenings, including a chest clip, keep your belongings safe and in place while you’re on the move. With a spacious design, you can store everything from trainers to snacks, making it a versatile choice for any fitness enthusiast.

What We Like
Easy to pack and carry
Durable for daily use
Secure chest clip
Spacious for all essentials
#TOP 10

Under Armour Undeniable 5.0 Waterproof Duffle Bag

1369222-001
Black
Under Armour Undeniable 5.0 Waterproof Duffle Bag Cover
UNDER ARMOUR Unisex Sports Bag Shoulder Bag Travel Bag Undeniable 5.0 Duffle, -001 black / silver

The Under Armour Undeniable Duffle is a versatile sports bag designed to meet your travel needs. Its waterproof material ensures that your belongings stay dry, making it perfect for outdoor activities. The spacious main compartment offers ample room for your essentials, while the large, ventilated side compartment is ideal for storing shoes or dirty laundry, keeping everything separate and fresh. With two additional zipped compartments on the outside and a small soft inner compartment, organisation is made easy. You can carry it comfortably with the adjustable shoulder strap or handles.

What We Like
Spacious main compartment
Ventilated side compartment
Multiple zipped compartments
Adjustable shoulder strap
Buying Guide Image
Editor's Notes

During our Under Armour gym bag research, we found 59 Under Armour gym bag products and shortlisted 10 quality products. We collected and analyzed 102,163 customer reviews through our big data system to write the Under Armour gym bags list. We found that most customers choose Under Armour gym bags with an average price of £29.32.

The Under Armour gym bags are available for purchase. The top 10 picks range in price from a low of £5.00 to a high of £41.00, find the one that fits your budget.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.