Do you offer half sizes?

Most of our shoes come in whole sizes only. That being said, Allbirds Wool Runners and Wool Loungers are made of a super soft merino wool upper that is super stretchy and accommodating. If you typically wear a half size, we suggest sizing up in our Wool Collection.

The Allbirds Tree collection is made with a knitted mesh fabric that's form-fitting and stretchy, hugging your feet in all the right places. We've found that most half sized customers size down in the Tree Runners and up in the Tree Skippers, Loungers and Toppers. Please note that we now do include half sizes in our Tree Breezers! Regardless of what style you go for, If you have a wider foot, we'd suggest going up to the next full size.

Everyone's feet are different, which is why we offer a 30 day no questions asked return policy, so you can return/exchange them for free if they don't work out!

And while sizing can be tricky, we know we can get your feet into the right pair because half-sizes are actually really small! This small:

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