Review of the ASICS GEL NIMBUS 21

The ASICS GEL NIMBUS 21 : A Complete Review

Run further with the ASICS GEL-NIMBUS 21 shoe. What is the GEL-NIMBUS model? It’s a long-distance running shoe that offers maximum cushioning and bounce, thanks to a range of ASICS performance technology. From your first stride to your last, the lightweight cushioning and new improved fit provide lasting comfort you can rely on, making this the leading cushioning running shoe for neutral runners.

With the GEL-NIMBUS model, you’ll reach the end of your run and want to keep on going. The upper is extremely secure, with a 360º fluid skin and strategic overlays. All while the revolutionary GEL technology gives you more flexibility of movement in the rear and forefoot while protecting your feet and lower legs from impact on hard surfaces. Run further than you thought possible in the GEL-NIMBUS 21 by ASICS. Packed full of plush cushioning and special technologies to respond to your natural stride.

The Size

To ensure a great fit, there’s an external heel counter which holds your heel firmly, keeping you comfortable as you pound the miles. It has an added AHARPLUS™ heel plug on the outsole to help you be able to run as long as you want. This ASICS High Abrasion Resistance Rubber is a tough rubber compound used to reduce excessive wear. All of this lets the shoe take the strain so you can concentrate on what matters: your breathing and pace. AHAR® Outsole standing for ASICS High Abrasion Rubber is placed in critical areas of the outsole for exceptional durability. It has Heel Clutching System™ Technology which means it has exoskeletal heel counter which provides improved support and creates improved heel fitting environment. Its Plus 3® Midsole Technology meaning 3mm of additional height on women’s models is present to help relieve achilles tension.

The Look

Now with a vibrant new design, it will get you pumped to unleash your inner runner, even when it’s grey outside. The GEL-NIMBUS 21 shoe is fitted with the I.G.S (Impact Guidance System) technology; a construction technique that allows the shoe to respond to your natural gait. The shoe speaks for itself in this regard.

The hip look of the ASICS GEL NIMBUS 21


Moving on, pronation is part of the natural movement of the human body and refers to the way your foot rolls inward for impact distribution upon landing. Understanding your pronation type can help you find a comfortable running shoe.

The GEL-NIMBUS 21 is made for Underpronation and Neutral. In underpronation, foot type is of high arches, push off refers to the pressure on smaller toes on outside of foot and your foot contacts the ground by mechanism in which the outer side of the heel hits the ground at an increased angle with little or no normal pronation, causing a large transmission of shock through the lower leg. In neutral, foot type is of normal size arches, push off refers to the even distribution from the front of the foot and your foot contacts the ground by the mechanism in which the foot lands on outside of the heel, then rolls inward (pronates) to absorb shock and support body weight. Its visibility is enhanced during low light hours due to reflective materials present in it.

The Feel

If you want to have a pair of running shoe that feels like wearing silk, then Asics Gel Nimbus 21 gives you all with its latest technologies. It has FlyteFoam Propel Technology which is  foam formulation that provides supreme bounce due to unique elastomer compound. While the FlyteFoam Lyte Technology, which means lightest weight midsole formulation, provides continuous cushion due to organic nano fibers. TRUSSTIC SYSTEM technology is also present which means provision of added stability. The upper is made from Jacquard mesh and will fit snugly, allowing air to flow and keep the foot fresh as you run and run. The famous GEL technology in the front and rear sole gives you energized cushioning in the form of shock-absorbing silicone for heavy-impact activity. Meanwhile, FLYTEFOAM Propel technology in the midsole offers excellent bounce and toe-off.

Additionally, by possessing Rearfoot and Forefoot GEL Technology Cushioning System, the pair of kicks attenuate shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. Though if you’re looking for the pinnacle of comfort, you should check out this variant. Its I.G.S (Impact Guidance System) Technology means this design employs linked componentry to enhance the foot’s natural gait from heel strike to toe-off. The super Guidance Trusstic System™ Technology integrates Guidance Line® construction which means it enhances gait efficiency while providing midfoot structural integrity. Its Guidance Line® Midsole Technology means presence of vertical flex groove which decouples the tooling along the line of progression for enhanced gait efficiency. It contains Ortholite® X-40 Sockliner which means having rebound properties while providing excellent moisture management and a high-level of breathability.

Pros & Cons

  • Better fit than other Gel Nimbus shoes
  • Great materials
  • Dynamic Premium Mesh Upper
  • Great for a narrow heel fit
  • Maximum shock absorption
  • Decent Flyte Foam cushioning
  • Pretty stiff at times
  • No walking on clouds
  • Not as comfortable as other variations

With GEL-NIMBUS 21 running shoes, you’ll feel the energy for an endless run.


Feel the confidence to push your run further with the re-engineered GEL-NIMBUS® 21 women’s running shoe, designed to offer comfort and a excellent fit. These luxurious sports shoes for women feature FLYTEFOAM Propel technology in the midsole to give you excellent bounce and help move you forward. Recommended for long distance, these shoes bring excellent comfort wherever you’re running. A new engineered mesh offers more breathability and support, and a spacious toe-box and GEL technology in the forefoot give your feet more space to move. There’s also an external clutch counter to provide your heel with the excellent support. And a Molded EVA sockliner that helps keep your feet comfortable and dry.

With these bad boys, you’ll feel the energy for an endless run, in any light condition. The addition of SpEVA 45 lasting foam doesn’t just absorb shock – it also increases durability and rebound. And lateral full contact outsole gives you a smoother, more stable ride from heel strike to toe off. What else you look in for a perfect shoe than the one packed with all in one technologies.

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