Is the On Cloudmonster or the On Cloudsurfer lighter?

The Cloudsurfer 3, by 0.3 oz in a men's US 9 (10.1 oz against 10.4 oz).

Can I switch from the On Cloudmonster to the On Cloudsurfer?

Yes, but ease into it. The drop moves 2 mm (6 mm on the Cloudmonster 3, 8 mm on the Cloudsurfer 3), 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 Cloudsurfer 3, on stack height: 45 mm under the heel against 35 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 3 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.

On Cloudmonster vs On Cloudsurfer

Comparing the current Cloudmonster 3 and Cloudsurfer 3. 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 8 mm on the Cloudsurfer 3. Coming off the Cloudsurfer 3, 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 3 lists $30 lower.

On Cloudmonster 3Sizes running outMen's at Amazon Women's
On Cloudsurfer 3Stock unverifiedMen's at Amazon Women's

Availability last checked Oct 13, 2026. Prices and stock change without notice.

Cloudmonster 3 · 2026

Cloudsurfer 3 · 2026

Every spec, side by side

Spec	Cloudmonster 3	Cloudsurfer 3
FIT AND WEIGHT
Weight	10.4 oz	10.1 oz
Widths	D, 2E	D
Upper	Re-engineered mesh with a padded tongue and an elastic lace keeper	Evolved warp-knit engineered mesh with a padded collar and tongue
CUSHIONING GEOMETRY
Heel stack	35 mm	45 mm
Forefoot stack	29 mm	37 mm
Drop	6 mm	8 mm
MATERIALS
Midsole	Dual-density Helion superfoam	Surreal superfoam in re-engineered 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?

The Cloudmonster has done it once in 3 versions, most recently with the Cloudmonster 2 in 2024, and the Cloudsurfer has done it 2 times in 3 versions, most recently with the Cloudsurfer 3 in 2026. If you want a shoe you can rebuy without reading a review first, the Cloudmonster has the steadier record.

Buy the Cloudmonster 3

Sizes running out

Discontinued at retail. Amazon carries what remains, so treat an in-stock size as a closing window, and expect prices to swing.

Men's: Check remaining stock Women's: Check remaining stock

Availability last checked Sep 10, 2026.

Buy the Cloudsurfer 3

Stock unverified

Men's: See what's available Women's: See what's available

Availability last checked Oct 13, 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 3, by 0.3 oz in a men's US 9 (10.1 oz against 10.4 oz).
Can I switch from the On Cloudmonster to the On Cloudsurfer?: Yes, but ease into it. The drop moves 2 mm (6 mm on the Cloudmonster 3, 8 mm on the Cloudsurfer 3), 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 Cloudsurfer 3, on stack height: 45 mm under the heel against 35 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 3 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 October 13, 2026.