Oura Ring 4 has a new design featuring a round interior with flat sensors for a more comfortable fit. Please follow the guide below to find your perfect fit.

Watch the video below.

1. Choose your finger

Your Oura Ring can be worn on any finger. We recommend the index, middle, or ring finger for optimal performance.

2. Test the fit

Your Oura Ring should fit snug and secure on your finger, but not to the point where it's uncomfortable. Try making a fist to ensure there are no gaps between the ring and the finger. Wear the sizing ring with the size number visible on top of the hand.

Take your time to find the perfect fit, we recommend wearing your sizing ring for at least 24 hours before confirming your size.

3. Confirm Your Size

Once you're feeling good about the fit, confirm your size.