I used the Oura Ring 5's sizing kit. Here's how it could save you from making a big mistake
Android Police 2026-06-24 12:00:10
Context: The Oura Ring 5, a new smart ring, has been released with a significantly different design compared to its predecessors, prompting the company to recommend that customers use a sizing kit to ensure a proper fit. The kit, which contains plastic versions of the available sizes, allows users to try out different sizes before ordering the actual ring. This is particularly important given the changes in design, which may affect the fit for those who have worn previous versions of the Oura Ring.
Key Facts
- The Oura Ring 5 sizing kit contains plastic versions of the available sizes, ranging from size 6 to size 13, and does not currently offer sizes smaller than 6.
- Oura recommends wearing the plastic Oura Ring 5 that fits best for 24 hours to determine if it gets too tight or too loose, and then ordering the correct size.
- The design changes in the Oura Ring 5, including the removal of nubbins on the underside, may affect the fit compared to previous versions, such as the Oura Ring 4, and make it essential to use the sizing kit.
- The Oura Ring 5 is made from titanium, is 40% smaller than the Oura Ring 4, and has an entirely new design on the underside, promising increased skin contact for better accuracy.
- The Oura Ring 5 is available in various finishes, including black, silver, Brushed Silver, Stealth, Deep Rose, and Gold, with prices starting at $399, and requires a $6 per month subscription to access all data.