On Cloudmonster vs On Cloudsurfer
Comparing the current Cloudmonster 3 and Cloudsurfer 2. Specs are men's US 9.
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THE SHORT ANSWER
Drop is the real difference: 6 mm on the Cloudmonster 3 against 9 mm on the Cloudsurfer 2. Coming off the Cloudsurfer 2, the Cloudmonster 3 loads your calves and Achilles harder for the first couple of weeks. Both sit in the same role (daily trainer). The Cloudsurfer 2 lists $30 lower.
- On Cloudmonster 3Men's at AmazonWomen's
- On Cloudsurfer 2Men's at AmazonWomen's
Availability last checked Aug 5, 2026. Prices and stock change without notice.
Every spec, side by side
| Spec | Cloudmonster 3 | Cloudsurfer 2 |
|---|---|---|
| FIT AND WEIGHT | ||
| Weight | 10.4 oz | 9.2 oz |
| Widths | D, 2E | D |
| Upper | Re-engineered mesh with a padded tongue and an elastic lace keeper | Breathable engineered mesh with TPU eyelet reinforcements and an ungusseted tongue |
| CUSHIONING GEOMETRY | ||
| Heel stack | 35 mm | 32 mm |
| Forefoot stack | 29 mm | 23 mm |
| Drop | 6 mm | 9 mm |
| MATERIALS | ||
| Midsole | Dual-density Helion superfoam | Firmer Helion superfoam in an evolved CloudTec Phase geometry |
| Plate | Nylon-blend Speedboard, lowered away from the foot | None |
| VALUE | ||
| List price at launch | $190 | $160 |
Which line changes its ride more often?
Both lines rework the ride about as often: the Cloudmonster has done it once in 3 versions, most recently with the Cloudmonster 2 in 2024, and the Cloudsurfer has done it once in 2 versions, most recently with the Cloudsurfer 2 in 2025. Neither is the safer long-term rebuy on this record.
Buy the Cloudmonster 3
Stocked at AmazonAvailability last checked Aug 5, 2026.
Buy the Cloudsurfer 2
Stocked at AmazonAvailability last checked Aug 5, 2026.
Chasing a specific older version rather than choosing between the current two? The On Cloudmonster lineage and the On Cloudsurfer lineage track every version and what changed in each update.
Questions runners ask
- Is the On Cloudmonster or the On Cloudsurfer lighter?
- The Cloudsurfer 2, by 1.2 oz in a men's US 9 (9.2 oz against 10.4 oz).
- Can I switch from the On Cloudmonster to the On Cloudsurfer?
- Yes, but ease into it. The drop moves 3 mm (6 mm on the Cloudmonster 3, 9 mm on the Cloudsurfer 2), which changes where your foot loads at landing. Give it two weeks of easy running before a hard session.
- Which is more cushioned, the On Cloudmonster or the On Cloudsurfer?
- The Cloudmonster 3, on stack height: 35 mm under the heel against 32 mm. Stack is not the whole story, though; the foams differ too.
- Which comes in more widths?
- The Cloudmonster 3. The Cloudmonster 3 runs in D, 2E for men's sizes; the Cloudsurfer 2 runs in D.
- Which costs more, the On Cloudmonster or the On Cloudsurfer?
- The Cloudmonster 3, by $30 at list ($190 against $160). That gap narrows once either one gets a successor.
Updated August 5, 2026.