When you give the gift of Oura, you want your friend or loved one to find the perfect fit. Since Oura Ring 4 sizes are slightly different from standard ring sizes and Gen3 sizes, it is important to find your size using our specific sizing kit for Oura Ring 4. This gifting kit can be paired with a gift card so that once the right size is found, the Oura Ring 4 of choice can be purchased with ease. A properly fitting Oura Ring will result in the highest possible data accuracy, comfort, and overall experience. Gift card sold separately. | Oura | | Ring 4 Gifting Sizing Kit | Unique Sizing | Give the gift of health | | 2024) | White | Best Buy