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Item # ULT16401M

Ultimate Direction Jurek FKT Vest Running Hydration Vest

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In 2015, Scott Jurek hiked and ran the Appalachian Trail faster than anyone before him and he used that experience to fine-tune the design of the Ultimate Direction Jurek FKT Vest.


In 2015, Scott Jurek hiked and ran the Appalachian Trail faster than anyone before him and he used that experience to fine-tune the design of the Ultimate Direction Jurek FKT Vest. The ultra-lightweight running vest incorporates the fit and features needed for long days on the trail.

Constructed of lightweight SilNylon and breathable mesh, the vest is surprisingly strong and capable of comfortably carrying clothes, gear, and hydration. To ensure a proper fit, the vest is available in Small (24"-36" chest measurement), Medium (31"-41"), and Large (38"-48") sizes. NOTE: When full of gear, the vest will fit smaller. An elastic sternum strap has a broad-range of adjustability to help you fine-tune fit.

The main compartment of the vest offers 708 cubic inches of storage capacity and has ample room for a 2L hydration bladder (not included), clothes, and other gear. Should you choose to use a bladder, the hose routing can be run over shoulder or under the arm on either side of the vest. A bungee system allows you to lash gear externally and it also doubles as a compression system for the main storage compartment. Two large, zippered mesh lateral pockets keep items within easy reach. On the chest portion of the harness there are large front pockets which conveniently secure electronics or water bottles. Ultimate Direction includes two innovative, ergonomic, and soft-sided FlexForm 600 bottles (20 oz capacity per bottle).

Other features include an additional zippered front harness pocket, a stretch front harness pocket, on-the-go trekking pole attachment points, and an emergency whistle.

The Ultimate Direction Jurek FKT Vest is available in your choice of size and color options.

  • Includes 2 FlexForm 600 Bottles
  • Reservoir Hose Routing either over or under your shoulder
  • Main compartment bungee for compression
  • Trekking Pole Holders
  • Emergency Whistle
  • Security Side Lat Pockets
California residents: view proposition 65  Warning

Technical Specs

Best Use
Hiking, Running/Fitness
Panel Loading
Hydration Compatible
Yes; Two FlexForm 600 Bottles included
Sternum Strap
Yes; Adjustable
Torso Adjustment
708 cu in
One Year Limited
Running Hydration Vest
MonRip Mes; 60D Silnylon; and 4-way PowerStretch Woven
Item Weight
11.2 oz w/o bottles
16 oz w/ bottles

4 Reviews

5 / 5


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Marc L.


This vest has it all


Love all the pockets, the look of this vest is great and holds everything I need for the long hours on the trail. The trekking poles hold tight even when racing down hills.


I don't have any at this point. Ran two long trail races with it and a few long training runs.

Jordan D.


Great Fit


Size, comfort, doesn't bounce with a bladder, lots of pockets and storage


I found it moves quite a bit with the front water bottles full but i'm still trying to find a way to balance the load to counteract the bounce.

Rob H.


They thought of everything for this one! Plenty of pockets for everything you need. Lightweight and nice even balance with water bottles and bladder


Lightweight. Comes with free bottles. Trekking pole holders.


Sizing. I think I might be better with a small and Iā€™m 5ā€™9ā€ 170 lb male

Wayne E.


Great Vest


Very comfortable, I'm 6 ft 190 pounds 45" chest and the large fits great! It does not bounce around. I don't feel it when I run and it breathes. Great vest!