Asics Gel-Kayano 31 Review: Subtle Support, Serious Comfort

Introduction

The Asics Gel-Kayano 31 takes a more subtle approach than recent editions of the line. After the sweeping changes introduced in the 30th version, this update refines rather than rebuilds: tweaks across the upper and outsole, plus slightly more cushioning in the midsole.

The core formula combines FF Blast Plus Eco midsole foam, pure Gel technology in the heel for more comfortable landings, and the 4D Guidance System for adaptive stability. The result is a careful balance of support and cushioning aimed at easy and longer runs. It costs £180 or $165, weighs 306g (10.8oz) for men in a size 8, and has a 10mm drop. An updated mesh upper improves breathability, a knit collar adds step-in comfort, and a modified Asics Grip outsole aims to improve grip and softness.

Who the Gel-Kayano 31 Is For

This is very much an easy-run and daily-mileage shoe. Reviewers who logged around 80km in it, including two long runs over 20km, found it most at home ticking through general training, recovery runs between hard sessions, and long, steady efforts. At those paces it moved smoothly through the foot strike and gave a noticeable but not overwhelming sense of support.

Interestingly, even neutral runners enjoyed it. The stability elements are subtle enough that, most of the time, you may not even notice you are wearing a stability shoe. If you are on the cusp between two sizes, testers suggest going half a size down, as the shoe runs quite roomy.

Main Strengths

The standout quality is comfort without oppression. Unlike earlier Kayanos, which made their stability presence felt immediately, the 4D Guidance System and the slightly firmer midsole foam only really engage when you need them. That makes the shoe accessible to a much wider audience: stability runners get genuine support from the wide base, while neutral runners simply get a comfortable, cushioned daily trainer.

Fit is generous and accommodating, with plenty of room in width and length. The padded heel collar creates a very cushioned, secure hold at the back, and testers with recent Achilles flare-ups from structured heel counters reported no problems. Several testers even preferred its feel to Asics’ neutral cushioning shoe, appreciating the slightly lower stack and added support.

Things to Consider Before Buying

This is not a versatile daily trainer. When the pace rises toward race pace, the shoe feels big, and the large, structured heel can feel slightly clunky at the back of the shoe. The midsole lacks real bounce at toe-off, so the shoe is best paired in a rotation with something faster.

It also struggled on genuinely tired legs. On recovery runs after hard efforts, the midsole felt a little hard on the legs, likely because the stability elements cost it some energy return. The outsole can occasionally feel slightly slappy too, less so than some rivals, but more than the previous version. As a one-shoe runner’s only shoe, it works for newer runners who mostly run easy and want something supportive enough to also walk around in, but structured training calls for a rotation partner.

Buying Advice

The biggest factor here is price. At £180 or $165, the Gel-Kayano 31 is expensive, and the changes over the Gel-Kayano 30 are minimal. The previous version does everything this shoe does, with only small differences, and is widely available on sale for considerably less. If value matters to you, the Kayano 30 is likely the smarter buy; if you are happy to pay full price, the 31 is a very good shoe.

If you want something more versatile for faster running, the Saucony Tempus is a strong alternative with less but still useful stability. And if you need a lot of support, the Kayano remains one of the best stability shoes available, so watching for a sale on the 31 is a sensible strategy.

Conclusion

The Gel-Kayano 31 is a very good stability shoe and a very good cushion shoe in general. It can hoover up miles, handles easy and long-run paces well, and offers adaptive support that stays out of the way until you need it. The catch is the price: with such minor updates over the previous model, most runners will get better value from the Gel-Kayano 30 or from sale pricing on this one. If you find the 31 discounted, it is an enjoyable cushioned trainer that may well surprise you.