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Men's Gel-Nimbus 21 Mugen Edition Road Running Shoes-Black/Classic Red (001)

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Always dreamed of increasing your distance? Perhaps your current running trainers are slowing you down? If you've answered yes to either of these questions, it's time to invest in the ASICS men's GEL-Nimbus 21 Mugen neutral running shoes.

A premium running trainer that delivers a plush ride, this shoe supports you on any length of run - whether you're jogging your daily mile or training for that sponsored marathon. Delivering premium comfort with every stride, it features advanced FlyteFoam Propel technology for supreme cushioning that's remarkably lightweight for an energetic run. Meanwhile, its new engineered mesh design ensures utmost breathability and support.

Stylish in both design and fit, this shoe amazingly moulds to your foot with its EVA sockliner, while ensuring a smooth ride from heel strike to toe-off thanks to its new lateral full contact. Though snug in fit, these ultimate running trainers enable feet to move and flex in comfort with their spacious toe box and non-visible ASICS GEL technology positioned to the wider forefoot.

Ensuring a comfortable and amazing fit from first step to final stride, the GEL-Nimbus 21 Mugen is a runner's investment - power your performance and invest today.



  • RF Gel unit and FF non-visible GEL
  • Flytefoam Propel technology
  • Moulded EVA sockliner
  • Guidance line
  • SpEVA 45 lasting
  • New full ground contact set-up
  • Neutral Pebax Trusstic for light stability
  • Overlay for support
  • Two-layer jacquard mesh
  • External clutch counter
  • OrthoLite collar sponge
  • New last, more forefoot room
  • AHAR outsole
  • AHAR+ heel plug
  • High-quality materials
  • 10mm drop
About Asics

Since 1949, ASICS has been guided by the principle, "sound mind, sound body." Asics strives to protect that balance and empower an active life through innovation. ASICS shoe technology is born out of their Research Institute for Sports Science in Japan, where researchers break down the unique ways runner’s move, and tailor shoes to meet their needs.

The result: Running shoes that deliver consistent comfort, support and speed.

ASICS makes some of the most popular running shoes in the world, and almost all of their shoes have their signature Gel cushioning.

Specifically, ASICS running shoes are known for their comfortable fit and support, making them a favorite among casual and distance runners alike.

What’s more, Asics conducts rigorous product testing to ensure consistency and quality. In fact, the company’s research department is continually looking for new ways to improve the overall design of its shoes.

Buying Asics on The Athlete's Foot

The Athlete's Foot is the perfect place to buy Asics online! We offer a friendly, one-of-a-kind service to our customers, as well as easy and secure online shopping.

We offer great services that are meaningful to our customers. We are different from those other sporting goods stores because we offer free gait and fit analysis services in-store. Connecting with people who are passionate about living an active lifestyle is always a joy for us.



All our Shoe sizes are in UK/SA Size

Asics Shoe Size Guide

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  • Delivery times vary based on your location, and can take between 2 - 5 days
  • You can return or exchange your order for any reason, free of charge, within 7 days of delivery
  • In-Store Pickup Available at our V&A Waterfront branch


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Men's Gel-Nimbus 21 Mugen Edition Road Running Shoes-Black/Classic Red (001)

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