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Allbirds
Tree Runners
Light, breezy and machine-washable — a lovely travel companion for light days, but minimal support for serious mileage.
Best for
- ✓Casual travel
- ✓Light city days
- ✓A minimal, washable shoe
Not ideal for
- ✗All-day standing
- ✗Long or fast walking
- ✗Arch support seekers
Specification sheet
- List price Approximate US retail
- ≈ $98
- Weight Manufacturer-reported, size-dependent
- 8.0 oz (227 g)
- Heel-to-toe drop Height difference, heel vs forefoot
- 4 mm
- Stack height (heel) Midsole thickness under the heel
- —
- Cushioning
- Minimal
- Stability
- Neutral
- Widths available
- Standard
- Waterproof
- No
- Slip-resistant
- —
- APMA seal American Podiatric Medical Association acceptance
- —
- Rocker sole Curved sole that rolls you forward
- No
- Breathability
- High
- Flexibility
- High
- Upper
- Eucalyptus knit
- Midsole foam
- SweetFoam (sugarcane EVA)
- Outsole
- EVA + rubber pads
Upper
Eucalyptus knit
Breathability: high
Midsole
SweetFoam (sugarcane EVA)
— stack · 4 mm drop
Outsole
EVA + rubber pads
Flexibility: high
Where these specs come from
Status
Source
Manufacturer & retailer listings (pending verification)
Last checked
—
Specs change between model years and colorways. We treat every number as a claim to be checked, not a fact to be repeated — see how we verify. Numbers marked pending have not yet been re-confirmed against the brand's current product page.
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