ASICS Gel-Nimbus 23 - Grey - UK 8

The ASICS Gel-Nimbus 23 trainers are designed to provide maximum cushioning and comfort for your r...

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Product Information

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The ASICS Gel-Nimbus 23 trainers are engineered for adult male runners seeking a balance of maximum cushioning and support for high-mileage training. These shoes excel at providing a smooth, impact-absorbing ride through their durable construction and breathable upper, though users should note that the substantial cushioning may feel slightly heavier compared to dedicated minimalist racing flats.

All features

Age Groupadult
ColourGrey
GenderMale
Shoe Size UK8
Shoe TypeTrainers
SeriesGel-Nimbus 23
Model Part Number1011B004-020
BrandASICS

Extended Product Information

FAQs

Are these shoes suitable for trail running?

The Gel-Nimbus 23 is designed primarily for road surfaces. The outsole may lack the traction required for loose or technical off-road terrain.

How often should I replace my Gel-Nimbus 23s?

Generally, running shoes should be replaced every 300 to 500 miles, depending on your running surface and biomechanics.

Are these neutral or stability shoes?

The Gel-Nimbus series is categorized as a neutral trainer, providing cushioning for runners who do not require significant overpronation correction.

How do I ensure I have the right size?

You should have about a thumbnail's width of space between your longest toe and the front of the shoe to account for foot swelling during long runs.

Can I use orthotic insoles with these shoes?

Yes, the stock insoles are removable, allowing you to insert custom orthotics if preferred.

Troubleshooting

Feeling of stiffness in the sole

The shoe may require a 20-30 mile break-in period for the midsole foam to fully adapt to your foot strike.

Upper feels too tight or constricting

Try adjusting your lacing technique, such as using a 'runner's loop' or skipping eyelets in areas where you need more volume.

Pros and Cons

Pros

  • Excellent impact absorption for joint protection
  • Breathable material keeps feet cool during long runs
  • Durable design suitable for high-mileage training
  • Stable and supportive build for a consistent stride

Cons

  • Heavier than minimalist or racing-specific shoes
  • May require a short break-in period for optimal comfort
  • Limited to road-focused running performance

Setup, Compatibility & Care

To ensure the longevity of your trainers, it is recommended to rotate them with another pair of running shoes to allow the cushioning foam to recover its shape. Keep the shoes in a cool, dry place away from direct sunlight or extreme heat, which can degrade the midsole materials. If the shoes become dirty, gently scrub the outsole with a soft brush and use a damp cloth with mild soap on the upper. Never place these trainers in a washing machine or dryer, as high temperatures can damage the adhesive and technical components.