You can find the approximate internal dimensions of each Ring 3 size below. The above table should be used as a guide, and we don’t recommend using the dimension chart to pick an Oura Ring size.

I tested the Ultrahuman Ring Air for months — it’s a robust, subscription-free smart ring that competes with the likes of ...

At close: 16 April at 1:14:29 pm GMT-4 ...

At close: 2 April at 2:56:10 pm GMT-4 ...

LIMITED EDITION - ONLY 50 CREATED This limited edition ring is crafted in solid 9k yellow gold, featuring a stunning north-west claw-set tapered baguette peridot stone at its centre. The shoulders are ...