The ASICS Gel-Kayano has long been regarded as one of the benchmark stability shoes in running, and with the arrival of the Gel-Kayano 33, ASICS has delivered the biggest update to the franchise in years. The headline changes include a new dual-density midsole setup, a redesigned stability system and a significantly softer ride. The result is arguably the most comfortable Kayano yet, although whether it's worth the premium price tag is another question entirely.
The Gel-Kayano 33 launches at £180, making it one of the most expensive stability shoes on the market. It weighs a hefty 314g in a UK 9.5 and remains true to size. Underfoot, there's a substantial 40mm stack height in the heel and 32mm in the forefoot, creating an 8mm drop. The shoe features a new dual-foam construction with FF Blast Max sitting on top of a layer of FF Blast Plus. ASICS has also introduced a new Fluid Support stability system, replacing the previous 4D Guidance System. Elsewhere, the shoe retains PureGEL cushioning in the heel, ASICSGRIP and AHAR Plus rubber on the outsole, and an updated engineered mesh upper.
The most significant update is undoubtedly the midsole. Previous versions of the Kayano relied solely on FF Blast Plus foam, but the introduction of FF Blast Max transforms the underfoot experience. The ride is noticeably softer and more forgiving straight out of the box. Earlier Kayanos often required hundreds of miles before they began to feel truly comfortable, whereas the Kayano 33 feels cushioned and compliant from the first run.
In many ways, the Kayano 33 feels closer to a stability-focused version of the GlideRide Max than a traditional Kayano. The combination of the softer FF Blast Max and the firmer FF Blast Plus creates a balanced ride that offers plenty of cushioning without sacrificing the support that Kayano runners expect. The firmer bottom layer acts as a stabilising platform, while the softer top layer provides the comfort.
The new Fluid Support system is designed to guide runners through a straighter heel-to-toe transition by reducing excessive lateral movement and using the geometry of the shoe rather than traditional posting methods. ASICS has sculpted the midsole carefully, widened the platform and incorporated a full-length rubber structure underneath to enhance stability.
In practice, however, the difference between Fluid Support and the previous 4D Guidance System is difficult to notice. The shoe remains exceptionally stable and supportive, particularly for runners who overpronate, but the overall experience isn't dramatically different from the Kayano 32. That's not necessarily a criticism. The removal of old-fashioned medial posts remains a positive step forward, and the stability here feels smooth and natural rather than intrusive.
The outsole performs exactly as expected from a premium ASICS trainer. Grip levels are excellent across a range of surfaces, and durability should be strong thanks to the combination of ASICSGRIP and AHAR Plus rubber. The upper also remains reassuringly familiar. While it has received a slight redesign, the overall fit, lockdown and comfort feel very similar to the previous version. There's plenty of padding around the heel collar and tongue, creating the plush experience long-time Kayano fans have come to expect.
The biggest drawback remains the weight. At 314g, the Kayano 33 is undeniably heavy, and despite the improved ride quality, it still feels over-engineered in places. There are elements of the shoe that could arguably be stripped back to reduce weight without compromising the support on offer.
Then there's the price. At £180, the Kayano 33 enters territory where runners have a wealth of excellent alternatives available. Shoes such as the Nike Structure Plus and Saucony Omni offer impressive stability and comfort at a lower price point. While neither delivers the same level of maximum support as the Kayano, they provide a more compelling value proposition for many runners.
Ultimately, the Gel-Kayano 33 continues to do exactly what the Kayano has always done: provide maximum support for runners who need it. The introduction of FF Blast Max has significantly improved the ride, making this the softest and most enjoyable Kayano to date. If you're a dedicated Kayano fan or a runner who genuinely requires a highly supportive stability shoe, you'll likely appreciate the updates.
The problem is that those improvements come wrapped in a package that is still heavy and significantly more expensive than much of the competition. The ride is better, the comfort is better and the cushioning is better, but whether those gains justify a £180 price tag is far less convincing.
For runners who need maximum stability, the Kayano 33 remains one of the best options available. For everyone else, there may be better value elsewhere.
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