UA Storm Undeniable II Backpack

Style # 1263963
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UA Storm Undeniable II Backpack

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Product DNA

  • UA Storm technology delivers an element-battling, highly water-resistant finish
  • Tough, abrasion-resistant bottom panel
  • Foam-reinforced panels add protection
  • Soft lined laptop sleeve—holds up to 15” laptop
  • Water-repellent front valuables pocket to keep your stuff safe
  • Adjustable HeatGear® shoulder straps for extra comfort
  • Ergonomic foam padded back panel
  • Extra-large main compartment with easy top-loader access
  • 2 side-zip water bottle pockets
  • Front chest strap buckles shut to keep backpack snug
  • Fits a size 5 football & an NBA-sized basketball
  • D-ring for additional attachment point
  • Dimensions: 48 x 28 x 18cm
  • Cubic Volume: 34 litres
  • Polyester

Review Summary

36 Reviews
31% of reviewers recommend


Runs small Runs large


Min. Max.


Min. Max.

New Backpack

I needed a replacement backpack for basic Gym use (trainers, shorts, T shirt, towel, water bottle & toiletries) - this fits the bill perfectly. It's practical & comfortable and "sits" upright when getting packed/unpacked and in the locker! Not that it bothers me but it also looks good.

UA undeniable II rucksack

Superb design and function. Would recommend and purchase again.

Fijne rugzak

Comfortabele rugzak, die veel handige vakken heeft en waterdicht is.

Perfect for an active lifestyle

I bought this bag as I run a lot, cycle a lot and gym a lot. It caters perfectly for all 3, very comfortable, more spacious than I imagined and is very high quality. Highly recommended

great backpack

as described, large, very comfortable and even with lots in doesn't feel that heavy


Heaps of space in every pocket and built to be very stable and secure

Fantastic kit bag

This is a fantastic backpack, perfect for gym, really roomy, loads of separate spaces for different items, still fits perfectly under the seat as flight carry on luggage, even better, I got it on sale so remarkably cheap.

Great bag

Love this bag. Great opening, takes my gym kit plus towel plus trainers with ease. Very pleased.

Lovely colour

Lovely colour and great large sections to the bag. Seems very well made and looks like it will last a long time. It is very big, bigger than I expected, plus side will fit large laptop in the back section but a little big for my son as first year high school bag. Over all good service and good product

Great bag for school, looks smart

Bought this for my son for the new term. He hasn't used it yet but I'm pleased with the big top opening zip for easy access and the side zips for bottles, as we find net holders tend to rip.