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OURA RING 4 SIZING KIT – The Oura Ring 4 Sizing Kit is the ideal way to find the perfect size. Its a custom sizer that allows for you, and those around you, to find the perfect fit before purchasing.
NOT STANDARD SIZING – Oura Ring 4 sizes are slightly different from standard ring sizes, so it is important to size yourself using our Oura Ring 4 sizing kit and to follow the instructions provided. Oura Ring 4 is available in sizes 4-15. There are no half sizes.
COMFORT AND ACCURACY – A properly fitting Oura Ring will result in the highest data accuracy, comfort, and overall experience.
CHOOSE A FINGER – Oura Ring 4 works on all fingers and can be worn on either hand. For optimal accuracy, we recommend wearing your Oura Ring 4 on your index, middle, or ring finger. Size the exact finger you plan to wear your Oura Ring 4 on.
