When you buy through links on our articles, Future and its syndication partners may earn a commission. Best answer: In Oura's official sizing guide, they state that "Your Oura Ring can be worn on ...

Is the Oura Ring 4 the best smart ring you can buy? I've been wearing it for weeks to find out, and our in-depth review answers the question.

The Oura Ring must be the correct size for your finger for comfort and fitness tracking accuracy. Even if you own a Ring 3, you will also need a Ring 4 sizer kit. The two rings are slightly ...

The new Oura Ring 4 smart ring promises a plethora of health tracking features—but is it worth the $349 price tag? Read the ...

I am disappointed that the Oura Ring 4 couldn’t reduce in size, or produce ... as the Oura Ring Gen 3, and at 7.9mm wide, it has the same profile on the finger. It’s also 2.88mm thick ...

The new model has an updated sensing system that allows it to adapt readings to specific fingers ... size. Based on my experience wearing the Ring 4, it certainly feels lighter compared to the Gen ...

The Oura Ring 4 is the kind of iterative hardware update I like to see. For the same $349 starting price as the Gen 3 ... the size 13 pictured in this review is a little loose on my index finger.

I wanted to see which was best, and the Oura Ring Gen 3 was the clear ... Really, the Oura Ring 4 is best for new users or people who previously couldn’t find a size that fit them.

Oura recommends you re-size ... fingers. But, really, you’re buying the Oura ring because of the features it offers, and you can get the same features from the Oura ring 3. The Oura ring 4 ...

I wore a size 11 third-gen Oura Ring, and the latest sizing kit confirmed I’d need a size 11 Oura Ring 4, too. However, the actual size 11 Oura Ring 4 is looser on my finger than the third-gen ...