Flex Speedpocket Run Belt Bag Black - Under Armour

ManufacturerUnder Armour

100 %

Flex Speedpocket Run Belt Bag is a practical fanny pack ideal for jogging as well as regular wear. It's great for storing small items such as your smartphone, wallet, keys, and so on. It is equipped with the UA Storm technology, which makes it resistant to snow, rain, and other adverse weather conditions. The zipper ensures safety for your valuables, and the reflective elements increase your visibility.

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Flex Speedpocket Run Belt Bag - a practical water-resistant fanny pack with a zipper and reflective safety elements for storing small items 

Flex Speedpocket Run Belt Bag is a highly popular accessory that's both practical and fashionable. It's ideal for running, biking, skating, and other sports activities, as well as for everyday use. It will safely store all of your small items such as your wallet, headphones, keys, or your smartphone all the way up to size 6.7” screens. The widened UA Speedpocket adds to the security of the contents, as it is water-resistant. Water is also kept out of the bag thanks to the UA Storm technology, meaning your belt bag will never get wet on the inside, no matter the weather


It has a volume of 1 litre and a reliable zipper which prevents all of the stored objects from falling out. The adjustable belt strap is flexible and fastens with a buckle, which will allow you maximum freedom of movement. The reflective elements will make you more noticeable, adding to your safety in low visibility conditions. This is especially handy in case you enjoy running or cycling in early morning or later evening hours. Flex Speedpocket Run Belt Bag is also perfect for practical everyday use, for example, whenever you need to run some errands and simply can't fit all of your accessories and necessary items into your pockets. 


Flex Speedpocket Run Belt Bag & its advantages 

  • a popular, practical and fashionable accessory
  • ideal for both sports and leisure
  • equipped with the UA Storm technology
  • safely stores all of your small items
  • large enough to fit a smartphone with 6.7” screen
  •  equipped with the UA Speedpocket - a widened water-resistant back pocket 
  • volume of 1 litre
  • reliable zipper
  • adjustable and flexible belt strap
  • reflective elements add to your safety
  • ideal for running, cycling, skating
  • minimalist design decorated with the Under Armour logo 


100 % polyester


Dimensions of the bag

Dimension Length  Width  Height Volume
Size (cm) 36 0.5 9.06 1 L


Bag and backpack maintenance

  1. Bags and backpacks are best cleaned manually, using a cloth or soft sponge dipped in lukewarm soapy water.
  2. Avoid washing bags or backpacks in the washing machine, do not clean with chemical agents and do not put them into a drier.
  3. Do not overload bags or backpacks with excessive weight in order to avoid mechanical damage to seams and handles.

Maximum recommended weight:

  • XL size bag: 30 kg, L: 20 kg, M: 15 kg, S: 10 kg
  • Backpacks and handbags: 3–10 kg depending on the size



The company's warranty on Under Armour products only applies to defects that arise during regular and intended use of the product and does not cover cases where the appearance or functionality as well as the expected service life of the product are changed due to:

  • natural wear and tear caused by long term regular use
  • incorrect or inadequate manner of use leading to premature wearing out of the product
  • incorrect manipulation with the product or interference with the product by various repairs carried out outside the authorized facility
  • incorrect or inadequate manner of performing maintenance, or the lack thereof
  • changes in any discovered manufacturing defect as a result of the delay in the warranty claiming process
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