On
On Cloudmonster 2
On Cloudmonster 2. 37.9mm stack, 292g. Retailer specs verified on Running Warehouse.
PR Run scores
PR Run derived fit scores
100-miler readiness
Will this shoe survive a hundred-mile night? 37.9 mm stack, cushion 5/5
Descent tolerance
Does it save your toenails on long descents? 31.3 mm forefoot, heel counter 3/5
Swelling room
Room to grow when your feet swell? 25.3 mm toebox height
Grit resistance
Does dust stay outside the shoe? 2 BR breathability
Hot-day comfort
How well does it breathe in heat? 2 BR / ?% drying
Achilles-friendly
Kind to a cranky achilles? 6.6 mm drop, heel counter 3/5
Full specs
Drop
6.6 mm
Heel stack
37.9 mm
Forefoot stack
31.3 mm
Weight
292 g
Plate
No
Waterproof
No
Lab measurements
Fit intelligence
Toebox width
Narrow toebox (74.5 mm vs 96 mm median)
Toebox height
Category-average height (25.3 mm vs 25 mm median)
Runs large. Consider a half size down.
Fit numbers from the lab. Swell guidance: foot care.
Questions before you race
Is the On Cloudmonster 2 good for 100-mile races?
Elite. 37.9 mm stack, cushion 5/5. 100-miler readiness score 84/100.
Does the On Cloudmonster 2 fit wide feet?
No. Toebox is 74.5 mm which is narrow. Look elsewhere if you need width.
What is the drop on the On Cloudmonster 2?
6.6 mm, with a 37.9 mm heel stack and 31.3 mm forefoot.
Is the On Cloudmonster 2 good on wet rock?
Traction coefficient of friction on wet lab surface: 0.50. Solid grip on wet rock.
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swellingRoom: 100/100 (Elite)
descentTolerance: 98/100 (Elite)
gritIngressRisk: 71/100 (Great)
hotFootScore: 22/100 (Weak)
achillesFriendlyScore: 69/100 (Great)
hundredMilerReadiness: 84/100 (Elite)