Ultrahuman Ring Air Sizing Kit, Aster Black

Choose from sizes 6–12 – size guide for your Ultrahuman Smart Wearable Ring

Available sizes:
You can choose from a wide range of sizes, from 6 to 12. Please note that we do not currently offer half sizes.

Try on the sizing ring:
For an accurate fit, you should wear the ring with the engraved size number facing your palm. Wear the ring for at least 24 hours to see if it fits you.

Find the right finger:
For optimum comfort and enhanced sleep monitoring, we recommend wearing the Ultrahuman Ring AIR on your index, middle or ring finger.

Check the fit:
There are a few simple ways to check this: when you rotate the ring on your finger, it should not turn freely.