ShoeGeometry

On Cloudsurfer Max

Max cushionRoadNo plate2025Men'sCurrent

At a glance

Heel-to-toe drop
6 mmStated
Stack, heel / forefoot
37 / 31 mmStated
Weight
292 gStatedUS M9
Plate
No plate
Toe rocker
37 % of lengthest.photos 37–37 %
Heel bevel
7.1 % of lengthest.photos 6–8 %
Stiffness / firmness
54 / 90 of 100Derived
Primary foam
Helion (EVA-based) with CloudTec Phase

How it compares

  • On Cloudsurfer Max's heel-to-toe drop is 6 mm, about the catalogue median of 6 mm (25% of the 179 other current shoes are lower).
  • On Cloudsurfer Max's heel stack is 37 mm, thinner than the catalogue median of 38 mm (35% of the 176 other current shoes are thinner).
  • On Cloudsurfer Max's forefoot stack is 31 mm, about the catalogue median of 31.5 mm (46% of the 171 other current shoes are thinner).
  • On Cloudsurfer Max's weight is 292 g, heavier than the catalogue median of 269 g (74% of the 167 other current shoes are lighter).
  • 4 shoes with similar geometry from other lines.

Differences smaller than the precision of the sources (about 1 mm of stack, 8 g, or the spread between photos for photo estimates) are reported as about the same.

Specifications

Heel-to-toe drop
Manufacturer stated
6mm
MediumSpec listingbrand figure, reported by Believe in the Runsource
Heel stack
Manufacturer stated
37mm
MediumSpec listingbrand figure, reported by Believe in the Runsource
Forefoot stack
Manufacturer stated
31mm
MediumSpec listingbrand figure, reported by Believe in the Runsource
Weight
Manufacturer stated
292g
MediumSpec listingbrand figure, reported by Believe in the RunUS M9source
Plate
No plate
Primary foam
Helion (EVA-based) with CloudTec Phase
List price
$180

Geometry

Catalogue average: heel 38 mm, forefoot 32 mm, toe rocker 35 %On Cloudsurfer Max: heel 37 mm, forefoot 31 mm (drop 6 mm); toe rocker 37 % of length, radius 45 % of length; heel bevel 7 % of length, 11 mm high at the back, ending behind the heel bone (only the back edge is rounded).37 mm31 mmUnder the centre of the heel bone: 12 % of length from the heel, where heel stack is measuredheel boneHeel contact: the sole is within 4.5 mm of the ground from 7 % of length (foam compresses more under load), ending behind the heel bone (only the back edge is rounded)heel bevel 7 %Toe rocker: the front 37 % of the length curves up (the curve leaves the ground 63 % of length from the heel)toe rocker 37 %toeheel
Front: toe rocker shorter longerRear: heel stack lower higher not measured
Dashed: average of the catalogue
Illustrative profile, not a photograph or scan: drawn to scale for a 300 mm shoe from published stack heights and photo estimates of the unloaded shoe (under body weight the foam compresses and the curves flatten). The grey upper is a generic outline, not this shoe’s. On Cloudsurfer Max: heel 37 mm, forefoot 31 mm (drop 6 mm); toe rocker 37 % of length, radius 45 % of length; heel bevel 7 % of length, 11 mm high at the back, ending behind the heel bone (only the back edge is rounded). Heel bone: 12 % of length from the heel, where heel stack is measured. Heel bevel and toe rocker are marked where each curve meets the ground; for the heel that is where the sole comes within 4.5 mm of the ground, which foam compression closes under body weight.

Percent values are relative to shoe length so they compare across images and sizes; widths in millimetres are lab measurements from the cited source, while toe tip and heel heights in millimetres are photo estimates converted for a men’s US 9 (assumed 300 mm long), so approximate. See how rocker geometry is defined.

Toe rocker
AI estimated
37%

2 photos range 37–37 %; shown is one of the two that agree most closely.

MediumSide photosource
Rocker radius
AI estimated
45%

2 photos range 45–46 %; shown is one of the two that agree most closely.

MediumSide photosource
Rocker rise angle
AI estimated
29deg

2 photos range 28–29 deg; shown is one of the two that agree most closely.

MediumSide photosource
Toe tip over ground
AI estimated
45mm*

2 photos range 43–47 mm; shown is the average of the two that agree most closely (* the photos disagree by more than usual).

MediumSide photosource
Rocker angle at toe
AI estimated
58deg

2 photos range 56–58 deg; shown is one of the two that agree most closely.

MediumSide photosource
Visible rocker lift onset
AI estimated
74.7%

2 photos range 74.7–75.4 %; shown is one of the two that agree most closely.

MediumSide photosource
Toe spring (relative)
AI estimated
20.8%

2 photos range 19.3–20.8 %; shown is one of the two that agree most closely.

MediumSide photosource
Heel bevel length
AI estimated
7.1%

2 photos range 6–8.3 %; shown is the average of the two that agree most closely.

MediumSide photosource
Heel bevel height
AI estimated
11mm

2 photos range 10–13 mm; shown is the average of the two that agree most closely.

MediumSide photosource
Midsole width (forefoot)
Externally measured
115.5mm
MediumLab testsource
Midsole width (heel)
Externally measured
95mm
MediumLab testsource
Interior forefoot width
Externally measured
96.1mm
MediumLab testsource
Toebox width
Externally measured
71.4mm
MediumLab testsource

Stiffness

Longitudinal stiffness
Derived
54/ 100

Lab reading: 18.2 N, force to bend the shoe 30° (lab bending test); the score is our 0–100 rescaling of it.

MediumLab flex testsource
Midsole firmness
Derived
90/ 100

Lab reading: 43.8 Asker C, midsole durometer reading (higher = firmer); the score is our 0–100 rescaling of it.

MediumLab durometersource

How it compares

Appears in:Max cushionLonger toe rocker

Wrong value? Missing data? Tell me
Stored only to improve the site; see privacy.

Sources

  • On Cloudsurfer Max Review: Big Guy Approved | Believe in the RunreviewBelieve in the Runaccessed 2026-10-04open ↗
  • On Cloudsurfer Max Men's Shoes Brook/Ivory | Running WarehouseretailerRunning Warehouseaccessed 2026-10-04open ↗
  • on-cloudsurfer-max lateral product photoimageRunning Warehouseaccessed 2026-10-04open ↗
  • on-cloudsurfer-max medial product photoimageRunning Warehouseaccessed 2026-10-04open ↗
  • Cut in half: On Cloudsurfer Max Review (2025) | RunRepeatlabRunRepeataccessed 2026-10-04open ↗
Technical detail: every recorded value, method and version (32)

All approved observations

Every recorded value, including superseded ones. The displayed value per metric is chosen by precedence (measured › stated › derived › AI estimated), then confidence, then recency. 24 further observations awaiting review.

MetricValueClassConfidenceMethodSourceRecorded
Heel-to-toe drop6 mmStatedMediumSpec listingBelieve in the Run2026-10-04
Heel-to-toe drop6 mmStatedMediumSpec listingRunning Warehouse2026-10-04
Heel stack37 mmStatedMediumSpec listingRunning Warehouse2026-10-04
Heel stack37 mmStatedMediumSpec listingBelieve in the Run2026-10-04
Forefoot stack31 mmStatedMediumSpec listingBelieve in the Run2026-10-04
Forefoot stack31 mmStatedMediumSpec listingRunning Warehouse2026-10-04
Weight292 g (US M9)StatedMediumSpec listingBelieve in the Run2026-10-04
Weight292 gStatedMediumSpec listingRunning Warehouse2026-10-04
Rocker apex62.5 %est.MediumSide photoRunning Warehouse2026-10-04
Rocker apex63.4 %est.LowSide photoRunning Warehouse2026-10-04
Rocker radius45 %est.MediumSide photoRunning Warehouse2026-10-04
Rocker radius46 %est.LowSide photoRunning Warehouse2026-10-04
Rocker rise angle29 degest.MediumSide photoRunning Warehouse2026-10-04
Rocker rise angle28 degest.LowSide photoRunning Warehouse2026-10-04
Toe tip over ground43 mmest.LowSide photoRunning Warehouse2026-10-04
Rocker angle at toe58 degest.MediumSide photoRunning Warehouse2026-10-04
Rocker angle at toe56 degest.LowSide photoRunning Warehouse2026-10-04
Toe tip over ground47 mmest.MediumSide photoRunning Warehouse2026-10-04
Visible rocker lift onset75.4 %est.LowSide photoRunning Warehouse2026-10-04
Visible rocker lift onset74.7 %est.MediumSide photoRunning Warehouse2026-10-04
Toe spring (relative)20.8 %est.MediumSide photoRunning Warehouse2026-10-04
Toe spring (relative)19.3 %est.LowSide photoRunning Warehouse2026-10-04
Heel bevel length8.3 %est.MediumSide photoRunning Warehouse2026-10-04
Heel bevel length6 %est.LowSide photoRunning Warehouse2026-10-04
Heel bevel height10 mmest.LowSide photoRunning Warehouse2026-10-04
Heel bevel height13 mmest.MediumSide photoRunning Warehouse2026-10-04
Midsole width (forefoot)115.5 mmMeasuredMediumLab testRunRepeat2026-10-04
Midsole width (heel)95 mmMeasuredMediumLab testRunRepeat2026-10-04
Interior forefoot width96.1 mmMeasuredMediumLab testRunRepeat2026-10-04
Toebox width71.4 mmMeasuredMediumLab testRunRepeat2026-10-04
Longitudinal stiffness54 DerivedMediumLab flex testRunRepeat2026-10-04
Midsole firmness90 DerivedMediumLab durometerRunRepeat2026-10-04

Classes: Manufacturer stated · Externally measured · AI estimated · Derived · User reported. Hover a method for its identifier and algorithm version.

Source notes

  • Running Warehouse: sha256=ddb5048411f763f77e1354c0b5dbe14e0cff029001e81140797e6f31f0175cc7; 0.3
  • Running Warehouse: sha256=632a19152bfa7309f6ca60f44f94f9a8277d7837a22b24ffb2dec26afdc484f7; 0.3

Shoes with similar geometry

Compare these →

Closest current models from other lines by stack, drop, rocker, toe height, stiffness, firmness, weight and width, whichever both shoes have.

Side profile illustration of the On Cloudeclipse
On
Cloudeclipse
Max cushion · No plate
Drop
6 mm
Heel
37 mm
Toe rocker
39%

Very close on every shared measure

Side profile illustration of the On Cloudmonster 3
On
Cloudmonster 3
Max cushion · Nylon plate
Drop
6 mm
Heel
35 mm
Toe rocker
36%

Very close on every shared measure

Side profile illustration of the Brooks Ghost Max 4
Brooks
Ghost Max 4
Max cushion · No plate
Drop
6 mm
Heel
39 mm
Toe rocker
40%

vs this shoe: softer foam

Side profile illustration of the New Balance Fresh Foam X 880v15
New Balance
Fresh Foam X 880v15
Daily trainer · No plate
Drop
6 mm
Heel
40.5 mm
Toe rocker
38%

vs this shoe: 4 mm higher heel