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VaporKrar 4L Men's Race Vest

USD 149.99 149.99
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Features & Benefits

Designed in collaboration with champion ultra runner and renowned minimalist, Rob Krar, this lightweight runner’s race vest is form-fitting yet breathable, designed specifically to fit the male torso, and features front hydration bottle pockets.

  • Apparel-like fit with a lightweight, breathable structure
  • Adjustable sternum straps attach for maximum flexibility and personalized comfort
  • Rear main pocket with internal bladder pocket is compatible with a 1.5L bladder
  • Multiple stash pockets for on-the-go access to essentials


  • Equipped with two 12oz ExoShot soft flasks, with extended straw tubes to easily sip fluids without removing flasks from the front pockets
  • Front storage for soft flasks, nutrition, smartphones sized up to iPhone 7 Plus, and other essentials
  • Storage Capacity: 335 cu in/4 Liters
  • Weight: 6.4 oz/181 g (without Soft Flasks); 10.4 oz/295 g (with Soft Flasks)
VaporKrar 4L Men's Race Vest is rated 4.3 out of 5 by 15.
Rated 5 out of 5 by from Excellent vest. So light and comfortable This is a great running vest. I read previous reviews from folks that loved the vest but gave lower marks because of the water bottles. It took a few tries but I was able to secure the tops of the water bottles well so that they did not leak. And I loved them while running. I really like the suction system on them and how the bottles collapse as you drink water from the. The vest overall is just wonderful. It is so light that I barely noticed it on me. It has hardly any bounce and has enough pockets to store everything. The cutouts for the arms are perfect and never chafed my arms as I ran. Just a great vest.
Date published: 2017-11-05
Rated 3 out of 5 by from Great vest, terrible bottles! Love the vest. Very comfortable, plenty of storage. Medium fits great (6 ft, 170 lbs). My one complaint is the bottles. When I purchased the vest it came with 2 hydrapak 12 oz bottles. All they do is leak. The caps are impossible to properly thread! Major issue for aide stations or when stopping to refill. I've spent the last month trying to find suitable soft flasks... no luck. I found a UD bottle that has caps that properly thread but the straws are too short. This major oversight may be the reason switch to another vest. I'm usually very impressed with Nathan products.
Date published: 2017-09-01
Rated 5 out of 5 by from Great pack, one problem I bought the pack a month ago, along with a bladder for the back. It fits amazingly. No chafing issues, not really a need to adjust the straps once it's on. The only problem I've had, like others, is that the bottles leak. They have to be upright or they'll drip. If they're full, they drip when you run until theres not enough water in them to drip again. I like the soft flasks but the leak isn't helpful when I'm out at 4am and theres no place to refill water until I get home. If you use the 1.5L bladder, no leaks. Lots of storage. Really a great pack. Is it possible to get replacement soft flasks that dont leak?
Date published: 2018-09-17
Rated 5 out of 5 by from Love the Vest! Took the vest out for two runs, both loaded out with water and gear, just to test the fit. I had no issues with the soft bottles – the lids seem to thread on just fine & secure. No leaks. The vest is light and has lots of convenient storage. I ordered a size up due to several reviewers encouraging that. That's my mistake. Should've gone with a Medium. Will switch out the Large for a Medium, and I should be perfect after that. Looking forward to a lot of great runs when I grab the new size.
Date published: 2018-05-24
Rated 5 out of 5 by from Awesome gear! I wore this vest on a training run the other day for the first time. Never owned a vest before this one. I did my research prior to purchasing and I am not disappointed. This vest stayed secure with lots of pocket room for everything I needed to have with me. I would definitely recommend this product.
Date published: 2018-04-02
Rated 5 out of 5 by from Two Trail Runs Done With The VaporKrar.. ..and my only complaint is the runner Ha. I switched to handhelds two seasons ago from a pack before that, just before an accident stopped my running. Now that I'm back on my feet I decided to get a new pack (for longer runs without water stops) 'cause my current HPL020 was dead (handhelds still for short shorter runs). I read countless reviews, the likes/dislikes, compared it to my other choice, Vapor Air, but wanted something new and a little different so went with the Vaporkrar. Over Thanksgiving weekend I took it out for my first six miler. My biggest concerns were the bouncing of water high on the front and whether for myself would two 12oz flasks be enough. I filled the two flasks, but also had an an extra 20oz bottle stuffed in the rear lower pocket just in case (acted like lumbar support it felt), stuffed a few items in the pockets and did my run. Verdict; It was a winner! Noticed very little bounce when straps are tightened properly, and the two flasks, for myself, were adequate for that run, although, I'm bad at consuming water on my runs (14oz left, evened out post-run Ouch) and I'm far from perfecting my hydration on trail. I liked having the water up high on the chest as it felt like it helped me a little on the uphills, and having my hands free was nice again. I also liked the feel of the material and how comfortable it was on a particularly warm day, it moved when you moved. The second run, the following day, just like the first. I do have a bladder when those extra long runs will take place, but for now the two flasks, plus that extra 20oz in the rear seemed like it'll be just fine for me for 6-10milers. The only issue, as what others have said is the difficulty when screwing the straws back on/tightening. It takes a few extra seconds to get the cap to connect and you might get your hands a little wet but I feel like for some it won't be a concern. However, on those extra cold days when your hands are shivering that could possibly be an issue. Idk. For that issue I'd give the flasks like a 3.6/5 star rating, but for everything else it is definitely a 5/5. Looking forward to longer and more aggressive runs this season with the Vaporkrar.
Date published: 2017-11-27
Rated 5 out of 5 by from Great Vest! I bought this about a week ago and I’ve ran over 50 miles with it with 15 miles being the longest at once. I absolutely love the vest. It does not cause any chaffing and stays tight on my body. There’s also plenty of storage. I’ve seen where recent reviews complain about the bottles leaking but I have not had any issues with the bottles. I did lose the magnet piece that would hold a bladder hose, but Nathan Sports sent me another one free of charge. I’m going to run a 50 miler in a few weeks so I’m going to get the 1.5L bladder for it as well.
Date published: 2018-09-25
Rated 4 out of 5 by from Great vest, terrible flask design I just ran a 50k wearing this vest. The vest was great! The placement of the flasks with the long straws made drinking on the go easy. There was also plenty of storage for nutrition and a long sleeve shirt. I also liked the the flasks had a wide mouth, making it easy to fill and dump in fuel. The issue i have is that the threading on these flasks are terrible making it hard to properly seal the flask.
Date published: 2017-12-03
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