How to Choose Running Shoes

Offering supreme softness in a do-it-all design, the men's Brooks Glycerin StealthFit 21 road-running shoes offer smooth, stable transitions for effortless strides no matter your pace.
Imported.
View the Brooks Glycerin Product LineView all Brooks Men's Road-Running ShoesBest Use | Running |
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Running Shoe Support | Neutral |
Running Shoe Cushioning | Maximum Cushion |
Heel-to-Toe Drop (mm) | 10 |
Heel Stack Height (mm) | 31 |
Forefoot Stack Height (mm) | 21 |
Footwear Height | Ankle |
Footwear Closure | Lace-up |
Upper | Flat knit |
Midsole | DNA LOFT v3 |
Outsole | RoadTack rubber |
Vegan | Yes |
Weight (Pair) | 1 lb. 2.6 oz. |
Gender | Men's |
7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 14 | 15 | 16 | |
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U.S. Men's | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 14 | 15 | 16 |
U.S. Women's | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | ||||||
UK | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 | 14 | 15 |
EU | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 46.5 | 47.5 | 48.5 | 49.5 | 50.5 |
Sizes along top of chart are U.S. Men's sizes. Correlating U.S. Women's sizes and EU sizes provided for clarity.
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[This review was collected as part of a promotion.] Fit and Feel: The fit and feel of the shoes were exceptionally comfortable, surpassing my experience with other Brooks pairs. Design: The design is unique and caught my eye, adding a stylish touch to the overall appearance. Fabric: The fabric is both comfortable and breathable, providing a pleasant feel while also proving to be durable. Liked Most: I appreciated how easily they slip on while still offering excellent support, enhancing the overall user experience. Potential Improvement: The compression around the ankles could be tighter, but this doesn't significantly impact comfort or shoe integrity. Overall, a minor adjustment that could enhance the snug fit.
[This review was collected as part of a promotion.] This pair of shoes fits well on my husband and he says it feels comfortable. It’s true to size. It is infused with 2mm more of DNA Loft V3 cushioning which is much better than a regular foam insert as it is lighter and softer. The design of the shoes is modern and sleek. My husband loves the color and look. The fabric is soft, stretchy and adaptable. The outer sole is thick compared to other shoes he wears but it feels light and not heavy at all and makes this pair of shoes perfect for running. Love the softness and the knit upper offers a blend of stretch and compression that moves with the foot.
[This review was collected as part of a promotion.] These shoes are like plush pillows propelling me forward. I used to dread long runs, but now I crave them, thanks to these amazing sneakers. The first thing that blew me away was the buttery-soft cushioning. My runs are smoother, pain-free, and even feel a little like gliding. But don't be fooled by the softness – these shoes are surprisingly supportive. They keep my feet stable and aligned, even on uneven terrain. I can now tackle hills and corners with confidence, knowing my ankles are safe from twists and turns. And the fit? Like a glove, but in the best way possible. The flat knit upper stretches to hug my foot perfectly, with no annoying rubbing or pressure points. It's breathable too, keeping my feet cool and dry even on hot days.
I started looking at Brooks due to previous lower body injuries flaring up as I’m getting older, primarily for cushioning during runs. I had been on New Balances before, but felt that I could do better with Brooks Glycerin. This was my first pair of Brooks. The regular Glycerin 21 felt great at the store, but they did not have Stealthfit in my size so I ordered them. I thought I would like the Stealthfit but as soon as I put them on, I knew it would not work. The top of the heel cup was lower than regular Glycerin 21 and I would have hot spots trying to run in them. Unfortunately I have to return them and get regular Glycerin 21’s.
I wanted a pair of shoes for my casual office outfits, and I knew Brooks would be my go-to choice. Once I saw the new Glycerin's limited edition Black/Cream-Biscuit color, I fell in love! The shoe is one of a kind! The fit is amazing, super comfortable, and SUPER soft! It's truly as advertised - like running on clouds. The cushion provided is amazing, and my feet feel super relaxed after those long days running errands or being at the office! I highly recommend it! Thank you again, Brooks; the new Glycerins ROCK!!!"
[This review was collected as part of a promotion.] I’d have to admit that when I first saw the sneakers, I was kind of disappointed cause they looked somehow different than what I thought. However, after I put them on, I was happy about it. They look great! I usually wear size 9.5, and they fit nicely. It’s just the width is kind of narrow. I love how it feels when I walk/run, super comfortable. The fabric is quite soft and ventilated, will be great for summer time. Hopefully it will last long and definitely recommend it!
[This review was collected as part of a promotion.] Here's the deal: This is a Brooks running shoe, so it's generally very good. It makes rough terrain feel like memory foam. But this particular model is a bit strange to me and made me actually change my running form, and I'm not sure it's for the better. Normally, I strike the ground quickly with my feet and roll through -- meaning that I run, I don't jog. Most people jog when they think they're running. If you think you struggle with jogging instead of running, this might help you adjust your form as the ball and toe area allow for a smooth rolling action as you strike the ground. However, if you're in a dead sprint or even a moderate sprint, this just feels weird, almost like I couldn't get stay on my toes long enough. It made me feel like I was just falling forward. Conclusion: great for jogging, not for running.
First off, I've been wearing the Adrenaline GTS for years. As a runner who suffered from chronic back and knee pain, the Glycerin is a huge upgrade in cushioning and comfort. Every step feels way more supportive and the impact greatly reduced. The stealth fit works a lot better than I anticipated also. Unless lacing up for a run, you don't even need to re-tie them. Just slip them on and they feel secure and comfortable. My only concern is durability. The bottom tread material is surprisingly grippy but looks pretty thin, so we'll see how it holds up over time. Overall, very impressed with this shoe from Brooks.
Very disappointed in these shoes. I’ve been a Brooks Running fan for years, having first used the Glycerin 13 and then 18. Both models lasted about 2-3 years, easily clocking 450 plus miles on them before needing replaced. Brooks unfortunately cheaped out on this new model. As pictured, the soles wear out extremely fast. The wear pictured is with only about 40-45 miles on them, and are less than 2 months old. I have another pair of regular Glycerines I wear for day to day use, and they wore out after about 3 months. I was all for Brooks, but how cheaply they make these shoes now, will have to look into other brands that actually are made to last. Comfort in them is great, but they just don’t last like they used to. I don’t recommend these if you plan to wear them more than once a week or actually put miles on them.
[This review was collected as part of a promotion.] I haven't worn Brooks in awhile, glad to have an opportunity to try these out. I like that these were lightweight and did not have a tongue. They were very comfortable while running and I also wear as daily casual shoe as well. I run on asphalt and they gripped well to the surface. They are stylish enough for daily wear too. I will be coming back to Brooks for future running shoes. I wear a smaller size and they fit perfect.