The Under Armour Undeniable 5.0 Small Duffle Bag in pitch gray is the ideal companion for the gym, training sessions, and short trips alike. Part of the long-proven UA Undeniable series, this fifth-generation duffle has been refined yet again — lighter and tougher than ever, with a smart layout that keeps your kit organised wherever your day takes you. Built from incredibly durable 100% polyester and treated with UA Storm water-repellent technology, it is ready to go wherever you go, whatever the conditions.
UA Storm is Under Armour's proprietary water-repellent finish applied directly to the fabric, creating a barrier that causes water to bead up and roll off the surface. Unlike a waterproof membrane, it keeps the bag breathable while providing reliable protection against rain, splashes, and damp environments. This makes the Undeniable 5.0 Small Duffle equally at home on a wet pitch-side, a rainy commute, or a poolside locker room. Your clothes, shoes, and kit stay dry no matter what the elements throw at you.
The bottom and side panels of the bag are constructed from a tough polyurethane-coated shell with an inner foam lining, giving the bag its distinctive rigid structure. This dual-material construction absorbs impacts and resists abrasion, so the bag holds its shape even when packed full of heavy kit. Whether you set it down on a wet locker room floor or rough outdoor ground, the reinforced base protects your contents and the bag itself from wear and tear over years of daily use.
A dedicated ventilated pocket sits at the base of the bag, designed specifically to keep shoes, wet kit, or used laundry isolated from the rest of your belongings. The ventilation mesh allows air to circulate, helping odours and moisture escape rather than building up inside a sealed pocket. This separation system is one of the most practical features of the Undeniable 5.0, keeping your fresh clothes free from muddy boots or post-workout gear during transit to and from the gym or training ground.
The large front zippered pocket features integrated molle webbing attachment points — a system borrowed from tactical gear — that let you clip additional pouches, accessories, or carabiner-mounted items directly to the outside of the bag. Inside the front pocket, there is ample space for smaller essentials such as keys, cards, a phone, or chargers, keeping them separate from bulkier main compartment contents. This thoughtful exterior organisation means you can access everyday items instantly without unpacking your main bag.
Unlike many sports bags that offer only a single bottle holder, the Undeniable 5.0 Small features two side slip pockets, each capable of holding a standard water bottle or sports drink. This is particularly useful for athletes who carry both a water bottle and a recovery shake, or for travellers who want one side for a bottle and the other for an umbrella or protein bar. The open-top design allows for one-handed access, so you never have to put the bag down just to hydrate.
Carrying comfort is covered from multiple angles: a fully adjustable, removable crossbody shoulder strap lets you carry the bag messenger-style, distributing the load evenly across the shoulder. For quicker pickups, dual top grab handles are also provided, offering a firm and comfortable grip. The combination of carrying options makes this bag versatile enough for a morning sprint to the gym, a long walk across the airport, or throwing it in the back of the car for a weekend away.
| Specification | Detail |
|---|---|
| Dimensions (when full) | 55 × 27 × 26 cm |
| Volume / Capacity | 40 L |
| Material | 100% Polyester |
| Water Resistance | UA Storm highly water-repellent finish |
| Base & Side Panels | PU-coated and foam-lined for structure and durability |
| Main Closure | Zippered top |
| Vented Pocket | Large, for shoes or laundry |
| Front Pocket | Large zippered organisation pocket with molle webbing |
| Internal Pockets | Internal slip pockets for small items |
| Water Bottle Pockets | Dual side slip pockets |
| Carrying Options | Dual top grab handles + adjustable removable shoulder strap |
| Bag Type | Sports Duffle Bag |
| Color | Pitch Gray Medium Heather |
| Style Code | 1369222 |
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