Best Under Armour Gym Bags of 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
Top 10 Under Armour Gym Bags
Under Armour UA Charged Commit TR 3 Trainers
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.
Under Armour 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.
Under Armour UA Undeniable 5.0 Duffle 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.
Under Armour UA Undeniable 5.0 Duffle 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.
Under Armour UA Undeniable Sackpack for Gym
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.
Under Armour Unisex Waterproof Sports Bag
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.
Under Armour Undeniable 4.0 Gym Duffel 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.
Under Armour UA Undeniable 5.0 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.
Under Armour UA Ozsee Sackpack for Gym
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.
Under Armour Undeniable 5.0 Waterproof Duffle Bag
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.
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.

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.