ASICS Women's Gel-Nimbus 21 Running Shoes

ASICS Women's Gel-Nimbus 21 Running Shoes is rated 3.4 out of 5 by 73.
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Product Information: Pro Tips

Push your run further with the ASICS® Women’s Gel-Nimbus 21 Running shoe. A breathable mesh upper, GEL support, and a molded EVA sockliner all do their part to keep your feet cool and dry with every step.


  • Reflective materials enhance visibility for low light hours
  • Exoskeletal heel counter provides improved support and improved heel fitting ASICS Heel Clutching System


  • SpevaFoam™ 45 lasting material for a soft platform feel and impressive comfort
  • REARFOOT AND FOREFOOT GEL® Technology provide a cushioning system constricts shock during impact as well as toe-off phases along with allowing movement in multiple planes as the foot moves through the gait cycle
  • Ortholite® X-40 Sockliner gives higher rebound properties while providing superb moisture control along high-level breathability
  • Lightest weight midsole formulation from ASICS FLYTEFOAM® Lyte Technology provides constant cushion provided by organic nano fibers
  • PLUS 3® Midsole Technology provides an additional 3mm of height to help relieve Achilles tension
  • Guidance Trussic System™ Technology integrates Guidance Line® construction for improved gait efficiency while bringing midfoot structural integrity


  • ASICS High Abrasion Rubber (AHAR) outsole located in critical areas of the outsole for excellent durability
  • FLYTEFOAM Propel Technology is ASICS energetic foam formula that brings excellent bounce thanks to a unique elastomer compound


  • Shoe type: Neutral
  • Previous model: Gel-Nimbus 20
  • Heel height: 25mm.
  • Forefoot height: 12mm.
  • Weight: 8.8 Oz
  • Brand: ASICS
  • Country of Origin: Imported
  • Style: 1012A156


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Rated 1 out of 5 by from So Disappointed.. I have been waiting for these to come out since I heard the toe box was wider and YEA they are...BUT they are sooo hard! I bought my first pair of Gel-Numbus 18 and fell in LOVE with the amazing pillow like comfort when I slide my feet into them and then when I ran..WOW what a great cushy comfort level but with great stability. But this 21 insert is like cardboard and there is NO pillow like cushion what a huge disappointment, I felt like I was putting on my old pair of Brooks...why oh why did you change the insert to a flimsy, hard piece of foam if that's what it's supposed to be. I'm returning and will be looking for a new running shoe...again....
Date published: 2019-01-16
Rated 3 out of 5 by from Fun sneaker, but I wish it was more comfortable Although I am still trying to break the sneakers in, I have to say that I really do miss the softer landing when walking. I started getting these particular sneakers several years ago, and they used to have more of a softer cushion. I still have several of my older pairs, and I put them on every once in a while because they are still in decent shape. This is how I know that they once had a softer feel on the sole when walking. I realize that I still need to break the man; however, I also feel as if there was some more room with the wires surrounding the ball of the foot on the older shoes. I apologize for seeming hypercritical.
Date published: 2019-04-23
Rated 4 out of 5 by from Better than the 20’s I’m happy the 21’s fit like the 18’s, for the most part. Those were still the best. The 21 has the room in the toe box like it should. They do run a 1/2 size small though so buy a bigger size. They are cushiony but not as much as the 18’s but definitely better than the 19’s and 20’s. I hope they come out with better color choices! Where are the PINK ones?? Girls like pink! I bought 2 of the 21’s so far. I’m waiting for more color choices that I like. I was told they will come out with a couple more. I had bought about 6 or 7 of the 18’s when they were out because they were the best and loved the color choices. So ASICS,......step it up w/the colors!
Date published: 2019-03-24
Rated 1 out of 5 by from No cushion and toe box is not wide I have been an avid wearer of Gel Nimbus for over 15 yrs. As a PE teacher, runner and lover of all sports, I am willing to spend the money for good shoes. Many years it was the Gel Nimbus.... until the 19 & 20 came out. The cushion has literally disappeared and the toe box continues to get more narrow with each new shoe. The 21’s are no different!!! How is it ASICS you get so many of the same complaints but you keep making the same mistakes? I’ve found some comfort in Brooks running shoes..... I wish ASICS would go back to the cloud like cushioning and very wide toe box!!
Date published: 2019-04-20
Rated 1 out of 5 by from Stiff with minimal cushioning I have bought Nimbus for over 12 years, and I have preferred them over the Kayano because of the additional cushioning the Nimbus provides versus the Kayano. I would say the Nimbus 17 have by far been the best version, and since then the fit and feel of the Nimbus has progressively declined. When I received these shoes, they felt extremely stiff with minimal cushioning. In my opinion, they feel more like a Kayano than a Nimbus. I am not a fan of this version, and quite frankly, I do not think that stating these shoes provide cushioning and support is accurate. They do provide support, but very minimal cushioning.
Date published: 2019-06-01
Rated 3 out of 5 by from No WOW Factor GEL-Nimbus have been my go-to shoes for years. The GEL-Nimbus 21 just didn't impress me. They didn't give the same spring or bounce- "walking on clouds" feel that other GEL-Nimbus versions gave. Personally, they feel a bit tight on my toes. I am also unimpressed with the color selection. I'll hold onto mine, for now, hoping I will like them a little more after a few long distance runs. The cushioning around the ankle is pretty comfortable and I haven't experienced any pain after runs yet.
Date published: 2019-01-28
Rated 5 out of 5 by from Thank you ASICS! I have been wearing Gel-Nimbus for years and was so disappointed when the 20 came cushion anymore and a tight toe box. I have been anxiously awaiting the 21 version and I was so thrilled that they listened, and made some changes. Great bounce, and plenty of toe room. I don’t feel that these run small, but everyone is different. My only complaint now is color choice....a little bland for my taste, but I’m loving them anyway!!
Date published: 2019-01-25
Rated 2 out of 5 by from No cushion was so excited for the 21 to come out. Thought it would have everything. The cushion can't compare to the 18!!Please bring back the cushion!! With so many reviews mentioning the missing cushion why cant you have as much as the 18?
Date published: 2019-02-27
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ASICS Women's Gel-Nimbus 21 Running Shoes
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