Allbirds

Men's Tree Dasher 1

Geyser (Light Blue Sole)

Our tool compares official Allbirds size charts to find your perfect size. No measuring needed.

Foot measurement
Measure your foot length in millimeters
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US 8 🇺🇸 US 8.5 🇺🇸 US 9 🇺🇸 US 9.5 🇺🇸 US 10 🇺🇸 US 10.5 🇺🇸 US 11 🇺🇸 US 11.5 🇺🇸 US 12 🇺🇸 US 12.5 🇺🇸 US 13 🇺🇸 US 13.5 🇺🇸 US 14 🇺🇸
The Allbirds Men's Tree Dasher 1 runs true to size. Order your normal Allbirds size for the best fit.
Foot Length US UK
0 - 260 mm 8 7
260 - 265 mm 8.5 7.5
265 - 270 mm 9 8
270 - 275 mm 9.5 8.5
275 - 280 mm 10 9
280 - 285 mm 10.5 9.5
285 - 290 mm 11 10
290 - 295 mm 11.5 10.5
295 - 300 mm 12 11
300 - 305 mm 12.5 11.5
305 - 310 mm 13 12
310 - 315 mm 13.5 12.5
315 - 320 mm 14 13
The Allbirds Men's Tree Dasher 1 runs true to size. Order your normal size for the best fit.
Your Allbirds Men's Tree Dasher 1 size depends on your foot length and the shoes you currently wear. Use our size finder tool to get a personalized recommendation based on shoes you already own. Alternatively, measure your foot length in cm and use the size chart above to find your Allbirds size.
Yes, the Allbirds Men's Tree Dasher 1 runs true to size compared to standard Allbirds sizing. Order your normal size.
Use the size chart above to convert between EU, US and UK sizes for Allbirds Men's Tree Dasher 1. Each size shows the corresponding foot length in mm so you can find your perfect fit.

Last updated: 2026-04-19 11:46:05