On Cloudmonster 2 vs On Cloudsurfer Max:
Which to Choose

September 30, 2026

Verdict

These two are close enough that it isn't about which is "better" — it's about ride feel. Go Cloudmonster 2 if you want a springier, plated trainer with a little forward pop; go Cloudsurfer Max if you want a firmer, more grounded, ultra-stable platform for easy and long days. Same weight, same cushioning class, same distances — pick the feel, not the number.

On Cloudmonster 2

125.00 USD

On Cloudsurfer Max

135.00 USD

Pace

3 of 6

Cushioning

5 of 6

Responsiveness

4 of 6

Stability

4 of 6

Drop

6 mm

Support

Neutral

Plate

Composite

Distances

10KHalfMarathon

Pace

3 of 6

Cushioning

5 of 6

Responsiveness

3 of 6

Stability

4 of 6

Drop

8 mm

Support

Neutral

Plate

None

Distances

10KHalfMarathon

At a Glance

On Cloudmonster 2On Cloudsurfer Max

Who Should Choose Each Shoe

Choose

On Cloudmonster 2

Choose the Cloudmonster 2 if you want a cushioned daily trainer that still has some life to it — the Speedboard and springier Helion foam reward you when you lift the effort on a long run or a steady progression. It's the better pick for a neutral runner who does easy days but occasionally wants to roll along at a smoother, more purposeful clip, and who values a bit of rebound and a lower 6mm drop over pure planted stability.

Choose

On Cloudsurfer Max

Choose the Cloudsurfer Max if your priority is calm, protective, no-surprises mileage — a firm, grounded platform that stays stable and forgiving on tired legs across easy and long runs. It suits beginners building volume and experienced runners banking marathon-training miles who prefer a planted, controlled ride and a slightly higher 8mm heel drop, and who aren't bothered that it trades away spring for steadiness.

Head-to-Head

The specs line these two up remarkably closely, so the honest starting point is how similar they are. Both weigh essentially the same — right around 292g in a men's US 9 — so neither wins on the scale, and both stand about 37mm tall at the heel, putting a lot of protective foam between you and the road. Both are neutral, both rate high on cushioning, and both share the same optimal zone of roughly 5:30–6:30 min/km, tapping out around 5:00 min/km before the foam runs out of pop. The real divide is the ride, and it comes down to one part: the Cloudmonster 2 has a composite Speedboard plate and On's bouncier Helion superfoam, while the Cloudsurfer Max has no plate and a firmer Helion EVA/OBC blend. That gives the Cloudmonster 2 a mildly bouncy, spring-loaded toe-off that firms up and rolls you forward as you pick up the pace, whereas the Cloudsurfer Max feels cushioned but firm and grounded — supported and stable rather than launched, with medium energy return that can feel a touch flat when you push. The Cloudsurfer Max also sits at a slightly higher 8mm drop versus the Cloudmonster 2's 6mm, easing weight toward the heel, and carries marginally less forefoot foam (about 29mm to the Cloudmonster 2's ~31mm). Neither has a medial post; both stay steady through their wide pod geometry, with the firmer Cloudsurfer Max feeling the more planted of the two.