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Ultimate Direction
AK Mountain 3.0 11L Hydration Vest

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A minimalist vest designed by ultra-runner Anton Krupicka.

Ultimate Direction teamed up with ultra-runner Anton Krupicka to create the AK Mountain 3.0 Hydration Vest. Since Anton sticks to a 'less is more' philosophy, this vest is super light and only contains the features you need to carry gear that is completely necessary. A hydration bladder, although clever in design, is inconvenient to refill and becomes a pain when it bounces around on your back. Water bottles are a much more elegant solution, and the AK Race vest allows you to carry two at chest-level, with one on each shoulder strap. Here the bottles are free from the bounce caused by running on the trail, and they're easy to grab for drinking and refilling.


Behind these holsters lies a harness made of highly breathable knit mono mesh that conforms to your body, and behind that, a stretchy storage compartment comprised of Darlington Power Mesh. In order to carry the necessary gear for more adventurous trail runs, Anton updated the design of the AK by adding dual ice axe loops, trekking pole straps, and a large main back compartment to carry a harness and rappel rope.


Details

  • Knit mono mesh shoulder harness
  • Darlington Power Mesh
  • Silicone-impregnated 30D nylon with PU face
  • Sliding rail sternum straps
  • Bottle holsters
  • Two soft flasks included (16.9oz)
  • Trekking pole holders
  • Double ice axe loops
  • External stretch pocket
  • Secure lateral pockets
  • Item #ULD000X
Material
mono mesh, Power Mesh, Darlington Power Mesh, SilNylon
Volume
11.5L (702cu in)
Hydration Compatible
yes
Reservoir Included
yes, 2 16.9oz bottles
Access
front panel
Pockets
1 phone, 2 side, 1 storage
Ice Axe Carry
yes
Trekking Pole Carry
yes
Dimensions
16.1 x 9.4 x 4.3 in
Claimed Weight
[without bottles] 11.6 oz, [with bottles] 14 oz
Recommended Use
running
Manufacturer Warranty
lifetime