Allbirds Tree Runners vs On Cloudmonster 2

Allbirds Tree Runners
Allbirds Tree Runners
On Cloudmonster 2
On Cloudmonster 2
Verified Confidence: 80%

Verdict: The On Cloudmonster 2 outperforms the Allbirds Tree Runners in cushioning (30 mm stack vs 12 mm) and durability, delivering a 15 % longer mileage before noticeable wear (per Runner's World). However, the Tree Runners win on sustainability, using 100 % renewable eucalyptus fibers and costing $35 less (per Allbirds product page). For runners prioritizing maximal comfort on long distances, the Cloudmonster 2 is the clear winner; eco‑conscious casual runners will prefer the Tree Runners.

Allbirds Tree Runners lists at $115 while On Cloudmonster 2 lists at $150 — Allbirds Tree Runners undercuts On Cloudmonster 2 by $35 (30%).

Winner: On Cloudmonster 2

Allbirds Tree Runners: 7.2/10

On Cloudmonster 2: 8.4/10

Spec-by-spec comparison

Allbirds Tree RunnersOn Cloudmonster 2
Upper MaterialEucalyptus tree fiberEngineered mesh with synthetic overlays
Weight7.5 oz (212 g)9.5 oz (270 g)
Drop8 mm8 mm
CushionSweetFoam proprietary midsoleCloudTec® Maximalist midsole

Allbirds Tree Runners

What works

  • Eco‑friendly renewable materials
  • Lightweight for daily runs
  • Breathable upper

What doesn't

  • Less responsive cushioning on long distances
  • Limited color options

On Cloudmonster 2

What works

  • High stack cushioning for long runs
  • Responsive CloudTec® pods
  • Durable outsole rubber

What doesn't

  • Heavier than minimalist shoes
  • Higher price point

Bottom line

Our pick: On Cloudmonster 2.

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