Oura Ring 5 Sizing Kit - White

Oura recommends the index, middle, or ring finger for optimal sensor contact and data accuracy. Avoid the thumb or pinky finger.

Yes, the cost of the Oura Ring 5 Sizing Kit is automatically reimbursed as a voucher with your Oura Ring 5 purchase.

It is recommended to wear each potential size for a full 24 hours to account for natural fluctuations in finger size throughout the day and night.

Yes, the kit is designed to be shareable. You can lend it to friends or family members who are also interested in purchasing an Oura Ring.

No, Oura Ring sizes differ from standard US ring sizes. Using the sizing kit is crucial for finding the correct Oura Ring size.

The 24-hour wear test with the sizer is designed to help you find a size that remains comfortable despite minor daily fluctuations. If you experience extreme changes, consider the range of sizes offered and choose one that offers the best compromise for comfort and security.

Ensure you have fully unpacked the kit. Contact Oura support if specific sizes are confirmed missing.

This is normal. Wear the sizer for a full 24 hours to find a size that accommodates these fluctuations comfortably.

Try the next size up or down. The goal is a snug but comfortable fit that doesn't impede circulation.