Under Armour Undeniable Duffel Bag

Whether you’re going to the gym or going out camping, the Under Armour Undeniable Duffel bag is the ideal type of bag you can carry around. The UA Undeniable Duffel is a very popular bag.

This Article Was Last Updated On March 01, 2021

Featuring Under Armour’s Storm Technology makes this duffel bag waterproof so that you don’t have to worry about getting your stuff wet on a downpour. This also makes it handy for hauling sweaty clothes and wet gear.

If you are outdoors often, travel to work, or just need a good bag to carry your stuff, this duffel bag is convenient to carry, comes in different sizes and colors both for men and women.

If you’re interested to know more about the Under Armour Undeniable Duffel Bag 3.0 version meaning the third generation of this bag, continue reading our full review below.

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Under Armour Adult Undeniable Duffle 3.0 Gym Bag

Key Features

Under Armour Storm Technology

Storm Technology delivers an excellent water repellant characteristic that will keep your things dry inside. The fabric used to create this Bag has undergone impregnated chemical treatments.

This process gives the fabric the capacity to resist water penetration without sacrificing breathability. Therefore, making the bag perfect for rain and other wet situations.

With its element-battling and superior water-resistant finish, you won’t hesitate to bring this bag wherever you go, even at the beach.


The Under Armour Duffel Bag can carry your clothes and gears super easily. For those who are brand conscious, you will be glad because this version has the big Under Armour logo at the front.

It comes in different sizes from extra-small to extra-large, you may see the quick specs below. This bag also comes in a wide variety of colors that Under Armour is well-known for.

Dual carrying handles can be strapped together on top for a more comfortable padded hold for easy grab and go. You can also use this as a shoulder bag because it is designed with an adjustable HeatGear® shoulder strap that is nicely padded for total comfort.

An easy access zipper pocket is found in front which is perfect for wallets or other important things that you want to separate from the main compartment.

One side pocket is with mesh fabric design that will be perfect for your shoes or dirty clothes to avoid build-up of moisture.

On the other side, there is also a stretchy mesh pocket where you can place items that need more ventilation like wet goggles and head cap perhaps. Just behind the mesh pocket is another zipper pocket that may fit a small water bottle or snacks.

The main compartment opens up wide on top and is really spacious inside. There is a soft little pocket against the backline of the inner material to keep small items that you don’t want to get lost on the bottom.

With a spacious main compartment and several pockets, you can store in here anything from extra gym clothes to your favorite sports gear. Although the number and size of things you can put inside this bag totally depend on what size of Bag you’re looking for.

Size and Weight

As mentioned above, this bag comes in different sizes and the volume and weight vary too. For gym-goers, the sizes extra-small to small is enough to fit inside the gym lockers.

While the medium to extra-large sizes is ideal for outdoor enthusiasts who often carry with them lots of gear. Below are the size, dimension, volume, and weight of the Under Armour Undeniable Duffel Bag.

Extra Small: Dimension 10.5” x 19.75” x 9”, Weight 1 lb., Volume 37 L
Small: Dimension 11.25” x 21.75” x 10”, Weight 1 lb., Volume 42 L
Medium: Dimension 12” x 25” x 13”, Weight 1.5 lbs., Volume 56 L
Large: Dimension 19.5” x 35.5” x 17.5”, Weight 1.7 lbs., Volume 82 L
Extra Large: Dimension 35″ x 17.2″ x 19.2″, Weight 2.71 lbs., Volume 97 L

With these size options, there is definitely something you can choose for your specific needs. So, putting in mind where you are going and what you’re going to use this bag for is really important.


Under Armour is a well-known brand for its selection of durable products and the Undeniable Duffel bag is absolutely among it. The bottom and side panels are tough and have an abrasion-resistant coating.

It is made of 100% UA Storm treated polyester fabric and when you look at it closely, you will see that the stitching is heavy-duty. Aside from gym and sports activities, if you’re going on a camping trip it does not easily rip or tear.

This Duffel bag is a strong bag that you can trust and expect to last a long time.

Under Armour Undeniable Duffel Bag Review

Benefits of the Product

UA Storm Technology delivering a superior water-resistant finish that can withstand the elements making it perfect for outdoor activities.

With a large main compartment that keeps your essentials and gears secure. Like if you’re just camping overnight you can simply fit all your stuff in the medium size duffel bag.

Separate zipper pocket with mesh construction ideal for shoes, dirty clothes, and other stuff that needs ventilation to avoid build-up of stinky smell and moisture.

Big front zipper pocket for additional storage like toiletries and face towel. You may also fit in there a water bottle if it doesn’t bother you keeping it in sideways.

Several ways to carry the bag, you can carry it as a handbag with the dual carry straps on top or a shoulder bag by placing the adjustable shoulder strap with padding.

Multiple strappings in front that may be useful as attachment points or for hooking items such as your locker padlock, carabiners, and the likes.

Many colors are available to choose from. Some color combinations are very masculine and some are very feminine so both men and women will surely find one that fits their style.

Available in different sizes ranging from extra-small to extra-large. You can choose the best size that is appropriate for different activities.

The price depends on the size of the bag that you will purchase. Right now, its Amazon price ranges from $30 to $80. Honestly, we think this is a reasonable price for a well-known quality brand with lots of versatility and excellent features.

Warranty, upon checking the Under Armour website they have a 14-day return policy or a full refund. But if you bought yours in a different store it will be best to ask regarding this to be properly guided.


  • Highly water-resistant
  • Robust can withstand harsh environments
  • Huge main compartment opening to easily get things in and out of the bag without messing it up.
  • Allotted side pocket with ventilation for shoes, dirty clothes and anything you want to be separated
  • Different sizes and colors that allow you to choose according to your style and specific use


  • The top handle position sometimes makes it hard to unzip the front pocket
  • Side pockets when full tend to go inward the main compartment that may take up a few spaces inside


Questions and Answers

Q: What’s the best size I can use for a weekend getaway?

A: If you’re planning to pack small in a weekend getaway the small size is enough but if you want to pack extra for precautions then the best size would be the medium size. The larger sizes are way too big for a weekend getaway.

Q: Can a football gear like the helmet, pads, and cleats fit in the large size?

A: Yes, it can all fit inside and you still have room for other stuff. There are several exterior pockets where you can separately store shoes or sweaty clothes.

You can also make use of other zipper pockets for small items. One of the main reasons why this bag is created is to meet the needs of athletes, which is why its main compartment is created to be really spacious.

Tips You Can Take Away

  1. If you’re going outdoors for the day you might want to consider the extra-small and small size because they can fit in more than you may think.
  2. These sizes are not too bulky it is just enough for your clothes, shoes, and other gears like gloves and water bottles.
  3. For a multi-night camp or sports activities when you need to store bigger items choosing from medium to extra large sizes is your best option.
  4. Even though these bags are durably made, it is still best to make sure that the bag is dry and clean before storing it.


There’s no surprise that Under Armour will offer a bag as excellent as this one. It is built with high-quality materials to make sure it can withstand harsh environments and last longer.

With the UA Storm Technology, you’re sure that everything inside this bag will stay dry and protected against the elements. The multiple exterior pockets and large main compartment will give you plenty of room to organize your things.

This excellent Duffel bag is ideal for people everywhere because with its many size and color option, you can truly find the one that best suits your lifestyle.

If you have any more questions about the Under Armour Undeniable duffel bag, I’d love to hear them and I’ll be more than happy to answer them in the comments section below.

For more choices and an amazing range of quality duffel bags for your next adventure be sure to check out my Best Best Duffel Bags.

You may also like to read my in-depth review of the very good Marmot Long Hauler Duffel Travel Bag for a good comparison that will assist you and help with your purchasing decision.

Marmot Long Hauler Duffel Travel Bag

Remember! Leave it cleaner than you found it, only footprints not rubbish.


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