ShoeGeometry

ASICS Gel-Kayano 33 vs ASICS Gel-Kayano 31

What changed from the ASICS Gel-Kayano 31: stack higher, stiffness stiffer, drop less. Each cell carries a provenance badge; open a shoe for sources.

ASICS Gel-Kayano 33: heel 41 mm, forefoot 33 mm (drop 8 mm); rocker apex 65 % of length, radius 39 % of length.ASICS Gel-Kayano 33: rocker apex at 65 % of lengthASICS Gel-Kayano 31: heel 40 mm, forefoot 30 mm (drop 10 mm); rocker apex 67 % of length, radius 39 % of length.ASICS Gel-Kayano 31: rocker apex at 67 % of length
  • ASICS Gel-Kayano 3341/33 mm · apex 65 %
  • ASICS Gel-Kayano 3140/30 mm · apex 67 %
Midsoles drawn from measured values on a common length (290 mm), heels aligned, toe to the left; dots mark the rocker apex. Dotted lines use typical values where a shoe has no measurement. Exact values are in the table below.

What changed

MeasureASICS Gel-Kayano 31ASICS Gel-Kayano 33Change
Heel stack40 mm41 mmhigher (+1 mm)
Forefoot stack30 mm33 mmhigher (+3 mm)
Drop10 mm8 mmless (−2 mm)
Weight303 g295 glighter (−8 g)
Rocker apex66.6% of length65% of lengthabout the same
Toe tip over ground38.6 mm40.5 mmabout the same
Rocker rise angle30.1°29.8°about the same
Stiffness41/10062/100stiffer (+21)
Firmness57/10047/100softer (−10)
Forefoot base width122.1 mm120.7 mmabout the same
FoamFF Blast+ EcoFF Blast Maxchanged

Compared with the previous version in this catalogue. Differences within measurement noise are shown as about the same. All version changes

MetricASICS Gel-Kayano 33
Stability · Road
ASICS Gel-Kayano 31
Stability · Road
Heel-to-toe drop8 mmStated10 mmStated
Heel stack41 mmMeasured40 mmStated
Forefoot stack33 mmMeasured30 mmStated
Weight295 gStated303 gStated
Rocker apex65 %est.66.6 %est.
Rocker radius39 %est.39 %est.
Rocker rise angle30 degest.30 degest.
Toe tip over ground40 mmest.39 mmest.
Rocker angle at toe55 degest.61 degest.
Visible rocker lift onset76.6 %est.78.8 %est.
Toe spring (relative)19.1 %est.18.4 %est.
Midsole width (forefoot)120.7 mmMeasured122.1 mmMeasured
Midsole width (heel)97.1 mmMeasured97.6 mmMeasured
Interior forefoot width95.9 mmMeasured98.9 mmMeasured
Toebox width72.4 mmMeasured74.8 mmMeasured
Longitudinal stiffness62Derived41Derived
Midsole firmness47Derived57Derived
PlateNo plateNo plate
Primary foamFF Blast MaxFF Blast+ Eco
List price$170$165

Key differences

  • ASICS Gel-Kayano 33's heel-to-toe drop is 8 mm, 2 mm lower than ASICS Gel-Kayano 31's 10 mm.
  • ASICS Gel-Kayano 33's heel stack is 41 mm, 1 mm thicker than ASICS Gel-Kayano 31's 40 mm.
  • ASICS Gel-Kayano 33's forefoot stack is 33 mm, 3 mm thicker than ASICS Gel-Kayano 31's 30 mm.
  • ASICS Gel-Kayano 33's weight is 295 g, 8 g lighter than ASICS Gel-Kayano 31's 303 g.
  • ASICS Gel-Kayano 33's rocker onset is 77 % of length, 2 % of length earlier than ASICS Gel-Kayano 31's 79 % of length.

ASICS Gel-Kayano 33 details · ASICS Gel-Kayano 31 details · Add more shoes