Cloudboom Max
Cloudboom Max is a marathon racer for runners targeting 4:00-4:30 finishes. Two Helion HF layers and CloudTec work with a glass-fiber-infused polyamide Speedboard, with midsole geometry tuned for non-elite runners and support for heel strikers. An adaptive mesh upper, padded heel and road-grip rubber outsole complete a shoe intended for marathon training and race day.
- Intended uses:
- Race, Long run
Specs
- Weight
- 296g
- Of 948 known values: 691 lower, 7 equal, 250 higher. The marker uses the midpoint of equal values.
- heavierUpper 27.1%, including ties / average +28g
- Drop
- 8mm
- Of 961 known values: 479 lower, 272 equal, 210 higher. The marker uses the midpoint of equal values.
- Standard64th percentile (tie midpoint) / average +1.2mm
- Stack (heel/forefoot)
- 40 / 32mm
- Of 788 known values: 657 lower, 39 equal, 92 higher. The marker uses the midpoint of equal values.
- higherUpper 16.6%, including ties / average +5.7mm
- Carbon plate
- No
- 83% of 866 known models have no carbon plates
- Midsole
- CloudTec / Helion HF
- Outsole
- rubber
- Reference price
- $230
- US price
Weight measurement and plate details
- Weight note
- 296 g per shoe for men's US 8.5, as specified in On's launch release. The JP and US product pages corroborate 296 g without stating the sample size.
- Plate note
- A polyamide Speedboard containing 8% glass fiber supports heel strikers. It is a non-carbon plate.
Prices and release dates by market
2 markets are registered. Values are shown as published for each market: no currency conversion and no guessed days or months. Reference prices are not current shop prices.
| Market | Reference price | Release |
|---|---|---|
| United StatesUS | $230Shown above | Not registered |
| JapanJP | ¥28,600 | 2025-08-21Shown above |
Compare within the database
See where these specs sit in the overall distribution. You can also compare within the same category.
Position map
Weight x stack height
registered average: 266g / 34.4mm (768 shoes)
The scatter plot includes only shoes with both weight and stack height registered.
Spec distributions
Weight
This shoe 296gregistered average 268g (948 shoes)
Drop
This shoe 8mmregistered average 6.8mm (961 shoes)
Stack height
This shoe 40mmregistered average 34.3mm (788 shoes)
Items with missing numeric values are excluded. Sample sizes and measurement conditions vary between models; this distribution is not a performance ranking.
Related video
Official video from On.