We offer a wide variety of sizes for men and women:

Men: 3.5 — 15 // Women: 5 — 16.5

All of the sizes offered comes in quarter size increments.

We do not currently offer kids sizes. If you would like us add children shoes let us know by sending an email to support@atoms.com.  

There should be a ¼ to ⅓ of an inch distance between your longest toe and the front of the shoe (about a half a thumb nail). Your Atoms won't stretch much over time, so how they feel on day 1 is how they’ll feel on day 100.

Note - With the onset of the pandemic, we had to discontinue our "split size" offer where you can mix and match sizes for each foot. We're sad to let that feature go, but if there is enough demand for it, we may bring it back.

Here to know how to select the perfect size.

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