Under Armour Unisex-Adult Undeniable Sackpack , Black (001)/Metallic Silver , One Size Fits Most

I needed a workout bag that wasn’t too big—just something I could throw over my shoulder and go. I expected just one main pocket, so I was pleasantly surprised to find additional compartments. My water bottles are usually too tall or bulky for most bags, but this one fit a decent-sized bottle and even zipped closed. I was also able to fit a pair of shoes and a change of clothes with no problem. I really like the small strap on the front—it’s a nice touch. Overall, the material feels sturdy and not cheap at all. If you’re looking for a compact, reliable bag to carry your essentials while you work out, this is a solid option.

I've had several drawstring bags over the years, but this Under Armour one is by far the best I've ever owned. First and foremost, the organization is fantastic. The large main pocket is spacious enough to hold my gym clothes, shoes, and a towel with room to spare. What really sets this bag apart, though, are the extra pockets. The small pocket at the top is a game-changer—it's perfect for my keys, wallet, and phone, so I'm not digging around in the main compartment trying to find them. The insulated water bottle pocket on the front is another brilliant feature. It keeps my drink cool and prevents it from leaking all over my other items. The quality is top-notch. The material feels robust and the drawstrings themselves are high-quality and very durable. They're not that flimsy, thin cord you find on cheaper bags. They feel like they'll last for years of heavy use. I did find that the strings were a little long for my frame, but it was an easy fix. I simply tied the knot a bit higher up, and now it fits me perfectly. Overall, this bag is incredibly well-thought-out and built to last. If you're looking for a reliable, multi-functional drawstring bag for the gym, school, or travel, look no further. This is the one!

This is the perfect little backpack cinch bag!! My son needed a smaller backpack bag for school sports for snacks, water and headphones, etc. it has a water bottle insulated zipper pocket in the front, small padded zipper pocket for phone and big cinch bag! I love that the straps are each 1 spring so no sideways longer one side messy strings! The blue is a perfect Royal blue color.

Solid backpack all around. The quality of the material is good, it's well built, the pockets are convenient, and it's perfect for what it's meant to be.

Stylish and Functional Sackpack with a Minor Flaw I've been using the Under Armour Undeniable Sackpack (Pitch Gray / Medium Heather) for a few weeks now, and overall, I'm really impressed with the look and feel of the bag. The color is sleek and neutral—great for everyday use—and the design is minimal but sporty, which fits my style perfectly. The UA logo is bold without being over-the-top, and the material feels durable and water-resistant, which is a big plus. The main compartment offers more space than I expected. It easily fits a change of clothes, a water bottle, and a few smaller essentials, making it perfect for quick gym trips, commuting, or even short day outings. The side pockets are a thoughtful addition and help keep small items like keys, earbuds, or your phone accessible. That said, I did run into one issue that kept this from being a 5-star review: the drawstring on one side was defective. It started to fray and unravel after just a handful of uses, which makes opening and closing the bag less smooth. For a brand like Under Armour, I expected a bit more durability in the stitching or cord quality. It doesn’t make the bag unusable, but it’s frustrating, especially considering the price and the reputation of the brand. If it weren’t for the drawstring issue, this would easily be a 5-star product. I may try to replace the cord myself, but I do hope Under Armour takes note and improves quality control for future versions. In short, I still highly recommend this sackpack for its design, versatility, and overall functionality—but just be aware there’s a small chance you may run into a defect like I did.

I use this bag for taking items to the gym and storing them in the locker while I work out. Has a soft line pocket to put your phone, keys, and earbuds in with a secure zipper. Also has a pocket for a water bottle on the front. The inside compartment is large but does not have a zipper. You just cinch it closed.

Great quality backpack—lightweight yet durable. Plenty of compartments, comfortable straps, and stylish design. Perfect for daily use or travel.

Great quality!Very nice!I just need to know where to get just the straps?My dog chewed them.

Der Under Armour Undeniable Gymsack hat mich wirklich überrascht – im positiven Sinne. Auch wenn er offiziell als Turnbeutel bezeichnet wird, wirkt er eher wie ein kompakter Rucksack. Er ist deutlich größer als ein typischer Gymsack und bietet erstaunlich viel Stauraum. Handtuch, Schuhe, Trinkflasche, Shaker, sogar kleinere Accessoires passen problemlos hinein, ohne dass der Beutel überfüllt wirkt. Die Verarbeitung ist – typisch Under Armour – sehr hochwertig. Das Material fühlt sich robust an, die Nähte wirken stabil und auch die dicken Kordeln schneiden nicht in die Schultern. Optisch macht er ebenfalls einiges her: schlicht, sportlich, modern. Besonders praktisch finde ich ihn für Fitnessstudios, in denen Taschen auf der Trainingsfläche nicht erlaubt sind, Turnbeutel aber schon. Durch seine Größe und den Aufbau hat man trotzdem alles dabei, was man braucht – nur eben in „Turnbeutel-Form“. Alles in allem ein Top-Produkt, wenn man einen geräumigen, stabilen und stylischen Gymsack sucht, der fast schon die Funktion eines Rucksacks übernimmt. Absolute Empfehlung!

La mochila es un poco más grande de lo que esperaba, pero no supone ningún problema y te da un plus de espacio. Se ve un producto de calidad, con muy buenos acabados. Los cordones son cómodos, son gordos y así no se clavan (lleva uno, no son dobles como por ejemplo las vans). Además tienen un accesorio para unirlos en el pecho, tipo clip, que me parece lo más práctico del mundo. Además del compartimento principal, lleva un bolsillo forrado como en forro polar para meter cosas delicadas, tipo móvil y así no se rayen y también otro bolsillo aislado de lo demás para poder meter, por ejemplo, el agua. Me parece una mochila muy bien pensada, completa y práctica.

Mochila de buena calidad y resistente, tiene bastante espacio y cómoda, Lo recomiendo

Loved it. Nice size

Le sac est réglable en faisant des noeuds aux cordelettes, il est de bonne taille avec suffisamment de rangement et 2 petites poches devant avec fermetures.