Our verdict
The Allbirds Wool Runner 2 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 Wool Runner 2
$110
Check priceRead our full review
New Allbirds Wool Runner NZ and Tree Runner NZ
$110
Check priceRead our full reviewSide by side
| Attribute | Allbirds Wool Runner 2 | New Allbirds Wool Runner NZ and Tree Runner NZ |
|---|---|---|
| Our rating | 8.5/10 | 8.5/10 |
| Price | $110 | $110 |
| Best for | if you already love Allbirds, this is the obvious upgrade; if you're new to the brand, it's a strong entry point. | 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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Which one is right for you?
Choose the Allbirds Wool Runner 2 if…
if you already love Allbirds, this is the obvious upgrade; if you're new to the brand, it's a strong entry point.
- Toe box no longer deflates—holds shape over time
- Thicker, bouncier sole feels cloud-like
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 Wool Runner 2 — 8.5/10
if you already love Allbirds, this is the obvious upgrade; if you're new to the brand, it's a strong entry point.
What we liked: Toe box no longer deflates—holds shape over time, Thicker, bouncier sole feels cloud-like, ZQ Merino wool maintains high-quality sock-like fit, Maintains breathability despite thicker construction, Eco-friendly sustainable materials throughout.
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.
On price, both land at about $110.
Common questions
Is the Allbirds Wool Runner 2 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 Wool Runner 2: if you already love Allbirds, this is the obvious upgrade; if you're new to the brand, it's a strong entry point. 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.
Which is cheaper, the Allbirds Wool Runner 2 or the New Allbirds Wool Runner NZ and Tree Runner NZ?
They're priced about the same — both around $110.
What's the difference between the Allbirds Wool Runner 2 and the New Allbirds Wool Runner NZ and Tree Runner NZ?
Short version — Allbirds Wool Runner 2: if you already love Allbirds, this is the obvious upgrade; if you're new to the brand, it's a strong entry point. 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.