Our verdict
The Allbirds Mizzles and the New Allbirds Wool Runner NZ and Tree Runner NZ are too close to call — we rated both 8.5/10. There's no clear winner here, so it comes down to what you want it for. We break that down below.
Allbirds Mizzles
New Allbirds Wool Runner NZ and Tree Runner NZ
$110
Check priceRead our full reviewSide by side
| Attribute | Allbirds Mizzles | New Allbirds Wool Runner NZ and Tree Runner NZ |
|---|---|---|
| Our rating | 8.5/10 | 8.5/10 |
| Best for | Water-resistant upgrade to Allbirds Wool Runners that maintains comfort—great for winter weather. | Real improvements: sturdier builds, roomier uppers, smoother rides—reach for Wool Runner on cold days, Tree Runner NZ for warm weather. |
| Standouts |
|
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| Watch-outs |
| None we flagged |
Which one is right for you?
Choose the Allbirds Mizzles if…
Water-resistant upgrade to Allbirds Wool Runners that maintains comfort—great for winter weather.
- Maintains Allbirds' signature comfort despite thicker wool
- Water-resistant/repellent keeps feet dry in wet conditions
Choose the New Allbirds Wool Runner NZ and Tree Runner NZ if…
Real improvements: sturdier builds, roomier uppers, smoother rides—reach for Wool Runner on cold days, Tree Runner NZ for warm weather.
- Dual-density Featherbed™ insole with optimized cushioning
- Noticeably sturdier construction than predecessors
Why we rate them this way
Allbirds Mizzles — 8.5/10
Water-resistant upgrade to Allbirds Wool Runners that maintains comfort—great for winter weather.
What we liked: Maintains Allbirds' signature comfort despite thicker wool, Water-resistant/repellent keeps feet dry in wet conditions, Can be worn with or without socks, Merino wool wicks moisture and regulates temperature, True to size with other Allbirds styles.
Worth knowing: Slightly less comfortable than regular Wool Runners due to thicker wool, Water-resistant only—won't handle heavy snow or true waterproofing, Some style variants have questionable aesthetics.
New Allbirds Wool Runner NZ and Tree Runner NZ — 8.5/10
Real improvements: sturdier builds, roomier uppers, smoother rides—reach for Wool Runner on cold days, Tree Runner NZ for warm weather.
What we liked: Dual-density Featherbed™ insole with optimized cushioning, Noticeably sturdier construction than predecessors, Roomier upper with improved fit, Smoother, more refined ride quality, Premium sustainable materials without compromising comfort.
Common questions
Is the Allbirds Mizzles or the New Allbirds Wool Runner NZ and Tree Runner NZ better?
We rated both 8.5/10 — it's a genuine toss-up. Allbirds Mizzles: Water-resistant upgrade to Allbirds Wool Runners that maintains comfort—great for winter weather. New Allbirds Wool Runner NZ and Tree Runner NZ: Real improvements: sturdier builds, roomier uppers, smoother rides—reach for Wool Runner on cold days, Tree Runner NZ for warm weather.
How much do the Allbirds Mizzles and New Allbirds Wool Runner NZ and Tree Runner NZ cost?
The New Allbirds Wool Runner NZ and Tree Runner NZ is listed at $110. We don't have a current price on file for the Allbirds Mizzles — check the latest on its review page.
What's the difference between the Allbirds Mizzles and the New Allbirds Wool Runner NZ and Tree Runner NZ?
Short version — Allbirds Mizzles: Water-resistant upgrade to Allbirds Wool Runners that maintains comfort—great for winter weather. New Allbirds Wool Runner NZ and Tree Runner NZ: Real improvements: sturdier builds, roomier uppers, smoother rides—reach for Wool Runner on cold days, Tree Runner NZ for warm weather.