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Vibram Five Fingers Men's KSO 148 Black/Black

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Availability: 16 left in stock
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Arrives Friday, Aug 14
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Size: 8-8.5 US


Color: Black/Black


Description

A fresh take on a classic, the limited edition KSO Vintage offers the best of FiveFingers. Its thin, abrasion-resistant polyamide and mesh upper provides a snug, breathable fit that Keeps Stuff Out. Quick-drying and ideal for water use, it features a secure hook-and-loop strap and a non-marking XS Trek outsole for great traction on wet and dry surfaces. Perfect for casual wear, gym workouts, and trail adventures—designed for true minimalists seeking ground connection. Provides a secure, adjustable fit for maximum support during intense movements. Ensures quick on/off and enhanced lockdown during training. Provides a great overall performance for multisport, outdoor, and active activities. Its principal characteristics are flexibility and great traction. Thin, abrasion-resistant polyamide and breathable mesh wrap snugly around your foot for a secure, comfortable fit that Keeps Stuff Out (KSO) 2mm EVA midsole with DRYLEX sock liner for enhanced comfort, cushioning, and moisture-wicking performance. From the global leader in performance outsoles With confidence, we see the world differently. It gives us the lens to see life on our own terms. Safety, every step of the way Vibram is the world leader in the development and manufacturing of high-performance rubber soles for indoor or outdoors. Your connection to earth A promise to continue our activities respecting people and the environment and to keep learning and improving what we do. The future passed by here Over 80 years has passed since the creation of the first rubber sole for mountaineering “the Carrarmato”.

Is Discontinued By Manufacturer ‏ ‎: No


Product Dimensions ‏ ‎: 12 x 6 x 5 inches


Item model number ‏ ‎: KSO-M


Department ‏ ‎: mens


Date First Available ‏ ‎: April 1, 2023


Manufacturer ‏ ‎: Vibram


ASIN ‏ ‎: B0C6B356RH


Best Sellers Rank: #174,174 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #118 in Men's Cross-Training Shoes


Customer Reviews: 4.3 4.3 out of 5 stars


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If you place your order now, the estimated arrival date for this product is: Friday, Aug 14

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Top Amazon Reviews


  • Intelligent Design!
For all my pedestrian life, shoe manufacturers have been working on the assumption that the human foot is a faulty design. Shoe-engineering has always clamored for More Support, More Support, making the "platform" stiffer and the heel wider, and always vacillating between heavier construction but lighter materials. Podiatrists have made comfortable fortunes by prescribing uncomfortable arch supports, and more and more people have found themselves lifetime committed to wearing orthotics. Vibram Five Toe shoes are based on the assumption that "evolution got it right", that the human foot does its job quite well if it is allowed to flex and grip as it is 'built' to do. The toes are fitted independently, like fingers in gloves, and the sole is merely a tough membrane like the calluses that form naturally on the feet of barefoot peasants around the world. The construction is as light as a hiking sock or a moccasin. The shoes are intended, I suppose, to be worn without socks, but I prefer to wear the lightest Injinji five-toe socks in them. It was the Injinji socks that I wore inside my stiff heavy old hiking boots, on a 20-mile hike, that persuaded me to try these Vibrams. No hot spots, no toenail problems, and my "dogs" weren't barking at the end of the day. Personally, I confess that I've been more concerned all my life with the durability of my running and hiking shoes than with the durability of my feet. In my sixties, that 'concern' has proven to be misplaced. My sturdiest Vasques boots are still in good shape but my feet have been showing signs of wear and tear. So, I thought, why not try the Vibram shoes, since the Injinji socks seem worthwhile? Besides, if they don't work for walking and running, surely they'll make excellent kayak/beach shoes. Putting the five-toe shoes on for the first time isn't an encouraging experience. They don't 'fit' until they've been worn to the shape of YOUR feet. They're tricky to get over your toes properly for the first six or eight times, and it's hard to believe the your heels will enjoy the pounding on cement sidewalks or rocky trails. I've been wearing my first pair for all outdoor activities now for about two weeks, and I love them! Light, cool, free-feeling, and I don't seem to be having any problem with jarring on hard pavements. They look somewhat funky with a tuxedo, I have to acknowledge, and on the street people will gawk at your pedal extremities rather than your ample forehead or bosom. Hey, that's not such a bad thing in itself! I can't yet declare that my overall 'foot health' will permanently improve from wearing Vibrams. Also, I doubt that they will survive as long as a pair of indestructible Vasques; the soles are thin by design and will wear through. But the price isn't so high, even if you replace them twice a year, in comparison to the potential benefits of accepting the wisdom of Evolution and letting your feet do the job they did for your genetic ancestors over the past four million years or so. ... show more
Reviewed in the United States on September 23, 2010 by Gio

  • THEY ARE AMAZING (and there is a way to clean them)
Size: 10.5 Color: Black/Black
When I first got these, I wasn't too sure if I was going to become an instant fan. I've always been used to shoes. After wearing these for a few days, I came to realize I didn't want to put anything else on my feet. Now, there is only one problem with these... If you wear them all the time like I do, they start to smell. It took me awhile to find something to clean them, but I finally came up with the solution. On amazon they sell a multi-purpose cleaner called Odoban. This stuff will kill any bacteria growing on your vibrams, without causing skin sensitivity. (at least for me) I bought a small shoe-box sized container and put the Odoban solution in there. Whenever I need my Vibrams cleaned, I soak them in that small container then rinse them. That's all there is to it. If you are planning on running in them, make sure you have a good running style. If you tend to hit the ground hard, work on your form before buying these. They don't have support, which is no big deal if you have good form and stay off solid surfaces. If you don't have good form, you could get injured from lack of support. Also, try to stay off pavement with these. It's just better for you anyways whether you wear shoes or Vibrams. This product really is beyond being just a fad. If you are buying them for style, you might take or leave them. If you are buying them for their functionality, then these are for you. I remember running around the yard bare-foot when I was a kid. These accomplish this wherever you go. Last note: MAKE SURE YOU GET AN ACCURATE FOOT MEASURE. I was very careful about measuring my foot size before purchasing these. They are not at all like shoes where you can be within a size or so and still fit fine in them. You have to be precise with your sizing. These shoes fit around your foot perfectly to help your foot work the way it was naturally designed to. ... show more
Reviewed in the United States on November 23, 2010 by Kayla Palmeter

  • Cool shoes Cool shoes
Size: 9-9.5 US Color: Black/Black
I will always like this brand. More comfortable than they look. I did order a size up.
Reviewed in the United States on April 19, 2026 Reviewed in the United States on April 19, 2026 by Michelle

  • Get a pair you trendsetter you!
Size: 41 Color: Black/Black
So i was the guy who saw these thing on someone in public for the first time and laughed out loud. Silly hipsters! Then I gave it some thought and decided that I wanted to give them a shot myself. I often go on long hikes, and living in florida, need a good water shoe. Buying a pair of these for me was a great decision. Granted, now I am the guy who often receives double takes, and a few snickers every now and then, but so be it! Long distance hiking: Great for most trails, not so great for rocky trails. Hard surfaces are not very friendly on your feet in these shoes, you will definitely feel every rock and root you step on. Also concrete is not your friend. You will be making a conscious effort to place your feet as carefully as you can in unforgiving environments. What I do like about them is that I do not get normal blisters (ankle and heel). The only problem area I have with this shoe is between my Big and Long toe, which will sometimes get raw and make a blister at first(rarely nowadays though). After my first 1 or 2 eight+hour hikes, it seemed like my soles were very sore, but my feet soon adjusted as did my stride, and they are no longer as sore. Truth: Long distance hiking is going to give you sore feet regardless of your choice in footwear. Water Use: Terrific! These thing are light and dry out in the sun so quick! Public Use: Be prepared to constantly be answering questions about your shoes, most genuinely interested, some mocking. Make sure your skin is as thick as the soles of your feet have become. Face it, you look silly my friend. Just embrace it! ... show more
Reviewed in the United States on October 23, 2015 by McLovin'

  • Durable. Almost barefoot experience, but not for everyone.
Size: 41 Color: Black/Black
TLDR; Durable; only for those committed to re-naturalizing their gait and getting rid of pains and injuries of high-intensity mid-distance running; not suitable for running or hiking on gravel, small stones, or twigs of approx. 1cm diameter. These are minimalist shoes for a nearly barefoot walking and running experience. Please order this only if you are ready for that and the associated changes in your running gait and ground surface selection. If that is what you want, then you will not be disappointed. I have used them somewhat regularly for running on road, sidewalk, grass, and trails for two months, and they are holding up fine. Pros: 1. Nearly barefoot (natural) walking and running experience. 2. Gradual strengthening of the feet and elimination of injuries associated with running. I had given up running due to pains before I discovered flex-foot running. 3. Potential reduction in post-run pains and downtime. 4. Durable. 5. Shoes take minimal packing space. 6. Look cool. Cons: 1. Need special socks with separated toes. 2. Uncomfortable on gravel or twigs that are about 1/2" (1cm) in diameter. 3. Will get wet from the inside in shallow puddles and waterlogged grass. 4. Not suitable for sports such as soccer, as your toes can get twisted. 5. Strands of dandelions and small twigs get stuck between the toes. 6. Look dorky. Here are some changes you would want to make in your outdoor excursions with these shoes on: 1. Learn to run with a forefoot strike: That is the precise behavioral change that this shoe is meant to promote. Humans have forgotten their natural gait developed over millions of years of evolution ever since we started wearing shoes with heel support, motion control, and whatnot. I have a severe flatfoot, and I over-pronate. Yet, I had no problem switching my gait, first using Nike Free, and then graduating to Vibram FiveFingers. Strive to make sure that your heels do not touch the ground. Try imagining that you are lightly grabbing the ground with your toes and the ball of your feet as you land and push off. 2. Start gradually: I started with running 1 mile every two days, and then built it up to 5 miles every two days over a few months. I recommend not running long distance in the beginning, and striving to make sure that your heel does not touch the ground. 3. Choose surfaces a little carefully: If you are like me who did not grow up running barefoot, you will find it very uncomfortable to run on medium-sized gravel (1cm or 1/2"). You will feel poked, although the shoes will probably hold up fine. Also, avoid hiking on such surfaces. I took the shoes for such an "adventure" and regretted it, although your feet feel fine with a night's rest. In terms of comfort, grass > sand > road > trail without gravel > sidewalk > trail with gravel > gravel. The last two are not recommended until you are comfortable in the strength of your feet. Running on grass with these shoes on is very enjoyable, and you realize what your feet were naturally meant to do. Running on road is also a good experience, provided you have mastered keeping your heels in the air. You realize that your feet are your natural shock absorbers, and do a good job of it. Also, try to avoid even very shallow puddles or waterlogged grass, if you feel icky when your feet get wet outdoors while running, because even very shallow water will get into these shoes. ... show more
Reviewed in the United States on June 30, 2021 by Amit and Keya

  • Good
Good quality
Reviewed in the United States on April 20, 2026 by Tiffany Buchanan

  • Should buy!
Size: 10.5 Color: Black/Black
I have been meaning to buy these for few years. Finally took the plunge. The shoes I got were sold by TipToe shoe company in New York. Initially I thought that the interaction with them was not very good, but in end the end they out-did themselves. I would definitely buy from then next time. They also get full 5 stars. The shoe itself is everything I expected. I have been using it for about a week now, and so far I have not found anything to complain about. The shoe is a bit small for me and I would have liked some more breathability around my fingers. But it is possible that that is the way it is supposed to be. I think in another 3 - 4 weeks I will be sure if it is really bothering me or not. I am using these shoes for everything except playing tennis. So far they have definitely reduced my lower back pain, and I can already see that my posture has improved and hence related stress pain has also reduced considerably. At this rate, it might be gone in another couple of weeks. ... show more
Reviewed in the United States on June 16, 2014 by Sam

  • Great running shoe
These shoes do require some time to adjust to the fit, so take that into consideration before heading out for a five mile run. But, they are very comfortable and natural once you have gotten used to wearing them. And my second toe is noticeably longer than my big toe (a condition called Morton's toe), but that doesn't cause any pain or discomfort in these KSOs. If you have very hot feet when you run, you can really appreciate these as they feel cooler from the lack of all the padding you find in conventional running shoes. And of course they are super light so that you don't feel like you are hauling bricks on your feet. They are also nice for just walking around, though you will get looks. A negative point is that you have to wash them quite often, or they will smell bad. This makes sense as these are more like socks than shoes, and you wouldn't wear your socks for a month without washing them, would you? Also with the amount they flex I had a pinch point in one of them that drew some blood after a while. The pinch eventually went away with wear and washing, but don't expect these to be heavenly when you first start running. ... show more
Reviewed in the United States on January 29, 2011 by The Tech

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