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  • Ultimate Direction: Anton Krupicka Race Vest 2.0

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AK Race Vest 2.0

$99.95 $74.95
Out Of Stock
Designed by the champion of minimalism and a 2014 Trail Runner Magazine Gear of the Year Award winner, the AK Race Vest gives you everything you need and nothing more. Innovative fabrics and design come together to provide the ultimate in lightweight comfort. Weighing only 7 ounces, the AK Race Vest 2.0 won't hold you back and gives you liters of storage. 
Version 2.0 increases durability by switching to Silnylon from Cuben Fiber, using a stronger 340gm Power Mesh, adding edge banding to the upper strap pockets, and making the bungee cord stronger. The lower main compartment pockets are gone and the back panel is cut higher for better gear storage and retention. 
This is the pack that's used all over the world, for an easy hour run to a hundred miler. 

Specs & Details

Features (Front):
  • Smart phone compatible pouches (2)
  • Bottle holsters tighten to carry camera, etc.
  • Hose loops for optional reservoir routing (3)
  • Electrolyte or valuables pockets (2)
  • Super soft VelvetexTM no-chafe binding 
Features (Back):
  • Bungee cord for extra capacity and compression
  • Hex Mesh construction for maximum breathability
  • Side straps for size adjustment
  • Extra tall mesh pocket to keep items secure
  • Accommodates an  70 oz. reservoir (sold separately) 
Sizing At Chest (Unisex):
  • S/M: 23 - 36 in. / 58 - 91 cm
  • M/L: 32 - 44 in. / 81 - 112 cm
  • Measure wearing the clothes you intend to wear
  • A vest full of gear will fit smaller

  • Volume Capacity: 244 in/ 4L
  • Fluid Capacity: 2 x 20 oz. bottles / 2 x 591 mL (plus optional reservoir)
  • Weight: 7 oz. (12.5 oz. with bottles) / 198 g (354 g with bottles)
  • Height: 12 in. / 30 cm
  • Width: 9 in. / 23 cm
  • Product Reviews


    Write A Review

    1. Fantastic!

      I've taken this vest on several 20 milers in the mountains and also let friend borrow it to try it out. Lightweight and functional! on Jul 25th 2016

    2. Not impressed..

      Got this vest from a local running store and took it out for an 18 miler. To my dismay, the bungee holding the water bottle broke on one side halfway through my run. I barley pulled on it! Tried it out for a second long run and the bungee on the other side completely pulled out and broke. For the price I paid I would expect it to not be so cheap. Pretty disappointed. Save your money folks! on Jul 10th 2016

    3. Great for people with back injuries/pain

      I no longer run, but still get out for hikes in the high country of Colorado. After an accident that fractured 6 vertebra in my neck and spine I am lucky I can still hike.
      Regular back packs are too heavy and cause excruciating pain after a couple miles.
      This little light weight pack is a god send for me.
      Was able to complete a 8 mile hike with no back pain. First time in 13 years since the injury that I have been able to do that.
      Just want to say Thank You for this wonderful design. Plenty of room for bare essentials so I can still hike up to the high mountain lakes and explore the high country.

      So if anyone suffers from back pain or neck pain, try this product. It really helps to support the weight in a different manner compared to other light weight packs!
      on Jul 5th 2016

    4. Great vest

      All around awesome product. A minor improvement I would recommend would be flasks instead of hard bottles, as the hard bottles slosh a lot. Also, accessing fluid in the UD bottles is a pain in the butt.

      The fit is great and easily adjustable. The vest is very lightweight. Went out for a 15 miler once I got it. Other than what I described concerning the bottles, had zero issues. Was even able to run the last half shirtless with zero chafing.
      on May 10th 2016

    5. Nice Vest/Recommendations

      This is a good vest, I've been using it on long trail runs. The pockets for two bottles are well placed. Two recommendations I have for improvement are adding a velcro or bungee enclosure at the bottom of the back of the pack to make it easier to remove items while running. Or, adding pockets to the rear bottom similar to a cycling jersey. The other recommendation is to remove or move the velcro at the top rear of the pack so hair, clothing, and headphones don't get caught, maybe make it a scoop neck. on Feb 10th 2016

    6. Customer Review

      This is a great vest. I am 6'2" and 190 lbs, and it fit right immediately with very little adjustment. It bounces and moves very little at all. I used a camelback in the back, and a single bottle (electrolytes) in one front pocket with a camera and ended up being cell phone in the other pocket. Cell phone started in a higher pocket, but that put it right on my collarbone, and after a couple of miles it was something I figured I could do without. Was nice having a P&S camera right up front and handy for taking shots on the trail. Also nice to have the water bottle handy for dogs that laid chase - was able to get the bottle out of the pocket very fast, and it goes in and out easily, but stays in place. A squirt in the face has stopped every dog so far. That won't last forever of course, but for now it worked well. Took me a little to figure out best route for the hose, which ended up being across in front of you and through the loop for the hose. It takes a second or two longer to get it off this way, but it works the best as far as hose location. on Jun 15th 2015

    7. Customer Review

      Super product! I bought an AK vest two years ago and have worn it in at least 10 races... I love it. It is light weight, durable, configurable and holds everything I need for 3-6 hours at a time. on Jun 2nd 2015

    8. Customer Review

      Overall, great vest. I've used this for about 200 miles thus far, to include one 50 miler and have no major complaints. I understand this is meant to be a minimalist vest, and it lives up to it's name in that regard, but a slightly larger pocked somewhere on the front for a smartphone would be nice. I run alone a lot, like to have my phone on me and accessible when running. The iPhone 5 doesn't fit in the two lower pockets and if I put it in the upper pockets, it doesn't sit comfortably on my collarbone, resulting in a bit of a bruise. My solution was to order a UD cell phone pocket and attaching it to the side straps. That's a pretty minor complaint which I understand kind of runs counter to the concept of this vest. Overall, I love this thing. on Apr 27th 2015

    9. Customer Review

      This is an ideal product for mountain biking. The load is hanging forward so my shoulder blades are not annoyed from the load bouncing backward after hours on nasty surfaces. The benefit of having the front pouches is amazing. I have everything easily accessible and unlike front pockets in a jacket, the cargo does not smack against my knees and thighs when I am moving fast. The harness perfectly distributes the load and holds it in place so there is no shifting. Thank you to all the runners who designed a wonderful piece equipment, and please forgive me for mis-using it! on Jan 16th 2015

    10. Customer Review

      Very nice pack, not perfect (whats perfect one wont be perfect for another) but this is about as close as one can get. Would like slighty larger pockets, but more then enough room for a 50k self supported, with out touching back storage. Should be noted there is no way to get a modern smart phone any front of vest, with out taking one water bottle out of the picture. Vest is very comfortable, found it seemed to get better the more I ran with it. Would highly recommend this vest. on Jan 2nd 2015

    11. Customer Review

      Light, versatily! Very fun for trainning, hiking and running!!! I liked veru much, but there's always room for improvement.... Don't know why it's not there, but the small pockets on the side os the bottle holders, so usefull in the PB vest could be present!! Light weight, close to the hands and necessary, I think... Theres a lack os pockets and pouches and this feature woudn't hurt the minimalist idea! The plastic buckles under the arm annoy me!! They could be placed somewhere else or differently... Other then that, very handy! on Dec 8th 2014

    12. Customer Review

      The AK race vest lives up to all of the features it advertises. While it's storage capacity is abundant; you can hardly tell you have it on. Even when it's full, the weight distribution is such that you don't end up with back and shoulder aches. If you have the correct size the pack fits like a glove and is very comfortable to run with. The one drawback I experienced was that the back pockets were hard to reach and open while running. However, with the massive amounts of storage space, there is more than enough room for everything you need up front. on Dec 2nd 2014

    13. Customer Review

      I'm petite and this vest allows for a wider range of sizes than the Scott Jurek vests, so it fits me better and more snugly. The back sleeve fits a small Camelbak bladder (since that's my bladder of choice). The front bottle holders accommodate both the accompanying Ultimate Direction bottles as well as the Camelbak podium chill insulated water bottle (which is my bottle of choice). It does NOT have the little gel sleeves around the bottle holders that the SJ vest does, and that's kind of a bummer. This vest also doesn't have a separate, waterproof salt/electrolyte pocket like the SJ vest. But all in all- this is a great, low profile vest to get me through my trail runs. on Oct 21st 2014

    14. Customer Review

      This vest is like a second skin and an essential part of my kit. I've use it all the time from hiking Denali National Park to 100 mile races. I've never had any chaffing or irritation. It provides a lot of options for the ideal hydration/access as I've used it with the two bottles, a 70 ounce bladder with pockets for gels, or a single bottle and a pocket for my phone/camera. I also have managed to pack quite a bit of gear into/on the pack and have been surprised by the packs ability to stretch. I only have two complaints. First, the bungie cord sometimes feels a bit unruly and I feel like I always have way more slack than I need. Second, I would like to see the return of some sort of secured/zippered pocket to the back (like in version 1.0) for things like keys or my wallet that I might need easy access to or not lose when rummaging for something in the main pouch mid-run. Nevertheless, it is a fantastic pack for almost any length of race or run. on Oct 6th 2014

    15. Customer Review

      Awesome fit and feel! I am a minimalist and was hesitant to try a vest. The AK Race Vest fits snugly but comfortably and is extremely lightweight. Great accessory for ultras! Well done, Anton and UD! on Sep 30th 2014

    16. Customer Review

      I've paired this vest with the 70oz UD bladder so I can use the front pockets for gels and other nutrition items. Surprised to find that the fit of the vest, even with a nearly full bladder, is still good and it doesn't affect breathing. It does pull back due to the weight of the water in the bladder, but it's very tolerable. There is still enough room to stuff a light jacket and shirt in the back pouch with the bladder. I use only one of the chest straps, and I fiddle with the side adjustments when fluctuating from climbs to descents, which is a nice update. No issues with chaffing. on Sep 1st 2014

    17. Customer Review

      Love it but it chafes your neck and the Velcro for the GU pockets is tearing away from the harness after less than 2 months. Be for warned the harness moves alot when you run. This is do to the bottles bouncing up and down. You can tighten the straps to reduce this but only so far until it becomes restrictive. Just something you need to get used. I would recommend it as long you understand what you are getting. No way you can get a cellphone in the harness pockets unless you take out a bottle. I will returning mine for a replacement do to the velcro . on Aug 25th 2014

    18. Customer Review

      Great pack for multihour training runs, and ultra distance races. Once adjusted, the fit is perfect and does not bounce at all or chafe. Provides plenty of storage to carry two bottles, and several gels/bars in the front pockets. The rear pocket is sufficient for carrying several pieces of clothing, and easily fits a long sleeve shirt, rain jacket, gloves and a hat. on Aug 14th 2014

    19. Customer Review

      I would like to preface that I have never taken a dollar, not a dime, from any sponsor. So I will not accept the free shipping offer. I've been trail running for 30 years and have tried every way humans have invented for carrying liquid. I already have the AK race vest 1.0 and left it out West and was forced to buy another. The biggest change in 2.0 is the bigger net in the back and the removal of the lower pockets that only an advanced yogi could get to. I run hot and want as little on me as possible. I used holsters for years but they eventually gave me all kind of hip problems so I have to have something riding on top. This vest is by far the coolest and lightest weight of all packs. Basically it is a bra with the cups on the outside. I have done r2r2r Grand Canyon and many lesser endeavors. I use race ready shorts for most of my food so the AK2 with the bottles in front are genius and I can add a bladder in back for an entire day of running if needed. My highest recommendation. There are some negatives: The smart phone pocket is an iphone pocket my Samsung does not fit., although my waterproof camera does. The bottles are close to your ears and when 3/4 full the splash can be a little distracting. Not to sound like an old guy but bring back the hard nipple tops! I worry what colony of microorganisms are in there. Finally, I am a guy. It seems this may be a tough fit for a woman as the bottles and breasts would be competing for the same space. I'll let others weigh in on this. Great vest! Joe on Jul 30th 2014

    20. Customer Review

      Love me some AK Race Vest on Jul 25th 2014