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Allbirds Wool Runner 2 vs New Allbirds Wool Runner NZ and Tree Runner NZ: Which Is Better?

We tested both Allbirds Wool Runner 2 and New Allbirds Wool Runner NZ and Tree Runner NZ. Here’s the side-by-side on price, ratings, pros, cons, and our honest verdict on which to buy in 2026.

Our verdict: New Allbirds Wool Runner NZ and Tree Runner NZ wins (8.5/10).

Allbirds Wool Runner 2 New Allbirds Wool Runner NZ and Tree Runner NZ
Our rating 8/10 8.5/10
Price $110 $110
Best for — —
Pros
  • Toe box redesign eliminates the deflation problem
  • Thicker, bouncier sole feels like walking on clouds
  • Premium Merino wool delivers sock-like comfort
  • Maintains breathability despite thicker sole
  • Versatile for casual and extended wear
  • Cloud-soft plush comfort with cradling insoles
  • Sustainable, responsibly sourced materials
  • Premium minimalist aesthetic
  • Machine-washable construction
  • Refined design details and improved fit
Cons — —

Check Allbirds Wool Runner 2 price →

Check New Allbirds Wool Runner NZ and Tree Runner NZ price →

→ See the full ranking: The Best Shoes We’ve Tested (2026)