The UA Undeniable 5.0 Medium Duffle Bag is Under Armour's tried-and-true workhorse bag, now in its best iteration yet. Built with an uncompromising combination of lightweight construction and incredibly durable materials, it is your go-to sports bag for everyday gym sessions, weekend travel, and everything in between. The bold black camo colourway adds a sharp, athletic edge, while UA's hallmark UA Storm water-repellent finish and TPU-reinforced panels ensure the bag handles whatever conditions you throw at it. Thoughtfully engineered pockets and attachment points keep your gear organised and accessible from warm-up to cool-down.
UA Storm is Under Armour's signature surface treatment that bonds a highly water-repellent finish to the outer fabric without sacrificing breathability or the soft hand-feel of the material. The technology is engineered to battle the elements, causing water to bead up and roll off the surface rather than soaking in. Whether you are caught in unexpected rain on the way to the gym, or your water bottle leaks inside the bag, UA Storm provides a reliable first line of defence. It keeps the exterior looking fresh and the interior contents protected, even in persistently wet conditions.
The bottom and side panels of the Undeniable 5.0 are reinforced with a tough TPU (thermoplastic polyurethane) coating over a foam-lined backing, creating a rigid yet lightweight shell that resists abrasion and impact. This construction means the bag stands upright on its own, keeping its shape whether full or partially loaded. The TPU panels also protect against scrapes on gym floors, locker room tiles, or car boots, significantly extending the usable life of the bag. The result is a bag that looks and performs as good on day 500 as it did on day one.
Borrowed from tactical gear design, the MOLLE (Modular Lightweight Load-carrying Equipment) webbing on the large front pocket allows you to attach compatible accessories, pouches, and carabiners directly to the outside of the bag. This greatly expands the bag's external carrying capacity without adding bulk to the main compartment. It is ideal for attaching a smaller accessory pouch, a towel, or workout equipment that you need quick access to. Combined with the spacious zippered front pocket, it makes the Undeniable 5.0 a highly adaptable bag that grows with your needs.
The dedicated vented compartment is one of the most practical features on the Undeniable 5.0. Ventilation panels allow air circulation, which means post-workout clothes and damp shoes can breathe rather than sitting in a sealed, odour-trapping environment. The compartment is generously sized to accommodate a pair of training shoes, a full set of workout clothes, or both a towel and a change of kit. Keeping this gear physically separated from your clean clothes, tech gear, and personal items makes the transition from the gym to the office or a social engagement effortlessly hygienic.
The removable shoulder strap is padded and constructed using Under Armour's HeatGear® fabric technology, which wicks sweat and moisture away from your body to keep you cool and dry even during active transport. The strap is fully adjustable to suit different body types and carrying preferences, and it features a non-slip shoulder pad that stays in place during movement. When you prefer to carry the bag by the grab handle or do not need the strap, it detaches quickly and stows cleanly in the dedicated side pocket, keeping the bag streamlined and tangle-free.
Hydration is a non-negotiable part of any serious training session, and the Undeniable 5.0 makes it easy with two dedicated side slip pockets sized to hold standard water bottles, shakers, or thermoses. The dual design means you can carry both a pre-workout drink and a main hydration bottle simultaneously, or use one slot for a bottle and the other for a foam roller, resistance band, or similar slim item. The slip pockets provide instant access without having to open zips, so you can stay in the flow of your workout or commute.
| Specification | Detail |
|---|---|
| Style Number | 1369223-010 |
| Colour | Black Camo |
| Dimensions (when full) | 31 x 29 x 62 cm (12.1" W × 11.4" H × 24.6" L) |
| Volume | 58 L |
| Weight | 22.5 oz (approx. 638 g) |
| Material | 100% Polyester |
| Water Repellency | UA Storm highly water-repellent finish |
| Base & Side Panels | TPU-coated & foam-lined for durability and structure |
| Shoulder Strap | Removable, padded HeatGear® strap with side-pocket stowage |
| Pockets | Large vented laundry/shoe pocket, dual water bottle slip pockets, large front zip pocket, internal slip pockets |
| Attachment | MOLLE webbing on front pocket |
| Handle | Padded top grab handle |
| Bag Type | Sports Duffle |
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