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⚡ Step into the future of running—where comfort meets conscious style.
The adidas Mens Ultraboost-21 combines cutting-edge Boost midsole responsiveness with a sock-like Primeknit upper for superior comfort and support. Featuring a midfoot cage and heel counter for stability, plus a Continental Rubber outsole for exceptional traction, these shoes are designed for energized runs and everyday versatility. Crafted partly from recycled Parley Ocean Plastic, they offer eco-friendly performance without compromise.










| ASIN | B087F8DVQ5 |
| Best Sellers Rank | #442,394 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #763 in Men's Road Running Shoes |
| Brand | adidas |
| Closure Type | Lace-Up |
| Color | Black/Black/Grey |
| Customer Reviews | 4.6 out of 5 stars 3,890 Reviews |
| Fabric type | 100% Textile Synthetics |
| Heel Type | Flat |
| Import Designation | Imported |
| Included Components | Product |
| Item Type Name | Running Shoe |
| Item Weight | 13.4 ounces |
| Manufacturer | adidas |
| Manufacturer Part Number | KYQ93 |
| Manufacturer Warranty Description | Manufacturer Warranty through Brand. See Brand for details. |
| Material Fabric | Knit-Synthetic |
| Model Name | Ultraboost-21 |
| Occasion Lifestyle | Comfort |
| Occasion Type | Sport |
| Origin | Imported |
| Outer Material | Rubber |
| Outer material | Rubber |
| Pattern | solid |
| Pronation Correction | Neutral |
| Seasons | Fall |
| Shoe Height Map | Low Top |
| Sole Material | Rubber |
| Sole material | Rubber |
| Special Features | Flexible |
| Specific Uses For Product | Sports |
| Sport Type | Running |
| Style Name | Ultraboost-21 |
| Style Number | KYQ93 |
| Surface Recommendation | Hard Ground |
| Toe Style | Closed Toe |
| UPC | 194813165572 |
| Water Resistance Level | Not Water Resistant |
| lining-description | Fabric |
J**G
Like walking on clouds
Second time buying this shoe, so comfortable and today I got a great deal on this one. Recommended.
L**O
Should you buy these?
I skeptically bought these shoes thinking they might be potential fakes, to my surprise they are either 100 percent authentic or amazingly recreated pairs . I checked for any glue marks, the knitting, and branding on my all white pairs and everything is in line with Authentic ultraboost21’s. My experience with these so far (about 1-2 weeks in): The first wear they might feel a little tight around the toes compared to older models, but it quickly goes away by the second wear. Quality and comfort is what to be expected for any ultraboost, amazing. I use these shoes for workouts, everyday wear around campus, and running and they always meet expectations. Aside from that the styling is amazing and very versatile with what ever you wear. Over all I am an ultraboost lover, and being able to get them at this price is amazing. Hopefully this was able to help anyone make a decision on purchasing. 100 percent recommend buying these shoes, if you’re thinking about it just pull the trigger you won’t be disappointed!
P**F
Great for long walk 👍
These are super comfortable and perfect for long walk. On weekends, I walk to & from work for 13 miles total 🤯 wearing these pairs and never has blisters or joint pain. They are comfortable and have enough cushion for your ankles. I also run on them on trademill and they seem to handle the impact when your foot landed on the running deck. The upper part of the shoe is made of elastic fabric which allows easy stretching and tight fit. Great shoes and would recommend it.
J**E
Great Pair Of Shoes
Not exactly sure who sold this, I suppose I assumed it was from Amazon, but it came in a sealed bag and no box, and that's a first for me from Amazon. It is pretty standard from ebay however...but again, I didn't order them thru anywhere else. Maybe it was in the description and I missed it? I am not particularly upset about it because the price was definitely less than I saw the same pair for (brand new) anywhere else online...so don't let that color your opinion here. They arrived timely, which is always nice. They are comfortable, which I expect from Adidas. In all the years I've purchased shoes from them, only once have I been disappointed in the fit. But that does not count here. I wasn't uber keen on the color, but again, the price made me willing to deal with it because that isn't ultimately the main reason you should buy a pair of shoes. The Ultraboost shoes have an abundance of the foam that Adidas uses to cushion your heels in particular while walking/running and it does a pretty good job. If I had to point to the pair of shoes I own that has the most cushioned experience, I'd say it was the recent pair of OneMix running shoes I got shortly before Christmas. I would've guessed these were just as cushiony, but they aren't. That doesn't mean they aren't good though. They envelop your feet and fit well - although I should point out if you have wide feet, you're going to want to hold off until you can get a pair that isn't as narrow as these. I have fairly narrow feet and they are a very close fit for me. I am really warming up to shoes that do not come with a traditional tongue. It took me a bit to get used to the design but honestly, they don't feel any different in my opinion. They are comfortable (at least the ones are that I own) and I will definitely be buying more in the future. In short, great shoes and great fit, but keep in mind if you have a wide foot before buying and good luck!
H**I
Son loves these for training
My teen son burns through shoes, either by quickly outgrowing them, or by wearing them out. Invested in a more renowned brand in hopes of more durable shoes. So far, these are very good and worth the outlay. He uses them for training/conditioning drills for soccer, so lots of running and pivoting, etc. Says they fit well so do not irritate his feet and and fairly lightweight. Clean up easily when dirty/muddy so still look nice to wear to class as well.
H**Y
Great comfort and fit
I first bought one of these 5 years ago and although it was slightly different, it was the same model. The Ultra Boost. It has worked wonderfully for the past 5 years with a lot of comfort and support. That is why I purchased another, and I am not disappointed. I wear it to work on casual days and I am very satisfied with its comfort as well as style. Highly recommend.
F**0
Get half size larger
Most comfortable shoe very cushy but should get the 1/2 size bigger. There is also a learning curve of how to put them on. Turn shoe sideways with toe pointed inward and twist up toward toe of foot, The slide foot in. They are tight fit at first until broke in. Shoe is extremely pleasant for my aching feet. I would not recommend them for out door work like construction or gardening. Very good shoe for causal occasions, walking or standing a lot. Very nice shoe.
F**K
Adidas ultraboost
Muy cómodas tanto para uso diario como para running
J**.
Adidas ruined the Ultraboost
I've bought Ultraboost sneakers for years and years. However, for 21, Adidas decided to seam in the toe box, whereas the older models had flexible primeknit mesh or whatever they called it. It's too tight and digging into my big toe, and will not break in. Completely unwearable.
S**I
Amazing!
Best ultraboost so far. The uppernit fits perfect and comfortable. You'll forget you're even wearing ir after some time. Lot of boost. Great lifestyle and running shoes. A but pricey but worth it. Love the look and feel of it.
F**O
Excelentes
A**R
Excellent shows
They’re men’s shoes but I bought the equivalent size for women and they fit perfectly. I’ve worn the 2019 women’s version for a little over year, and these are comparable but with more cushion on the heel. The extra cushion doesn’t make a huge difference in my runs while sprinting off my toes, but for a longer run with more pressure on my feet, it’s fantastic and like landing on cushions. I didn’t need to break them in- I ran 10km in them the first day. Zero issues, lots of comfort. The heel feels more reinforced than the 2019’s but it could be that these are mens vs my previous ones. I’ve had them over a week now and worn them for multiple runs and workouts and love them. I just ordered another pair.
J**.
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