The Oura Ring 4 Ceramic challenges the status quo of wearables

What do you find at the intersection of data, health, and fashion? Wearables. They come in all shapes and accessories, from simple fabric bracelets to full-blown designer bands keeping an Apple Watch Ultra 3 strapped to your wrist. Smart rings aren’t anything new, but they’re certainly picking up speed as distraction-free health trackers that don’t buzz every time you get a spam email. Notification-freedom (in all respects) is certainly on my 2026 priority list.

I’ve proudly worn a gold Oura Ring 3 for two years straight — from late Friday nights to early Sunday morning workouts — and have used it to paint a complete picture of my health. It was there to warn me about a dreadful upcoming case of the flu and help me curate a recovery plan after my half-marathon six months later. All the while, I’d get compliments on my golden bling day and night that turned into conversation starters the second I pulled it off my finger to reveal the glowing green sensors inside. Not only was it pretty, it was also smart.

So when Oura announced a colorful new direction for its Oura Ring 4 line back in October, I knew the Finnish company had something special up its sleeve. This cosmetic-only upgrade is the boldest — and most expensive — iteration Oura has released to date, and after spending the last couple of months sporting the Oura Ring 4 Ceramic, I’ve deduced that its most important detail is the new direction it’s pushing wearables in.

Fit and feel

Smooth and soft, not sleek

I’m going to state the obvious first: the Oura Ring 4 Ceramic is bulky. Bulkier than the Oura Ring 3 and the Oura Ring 4 titanium models. I had some trouble with sizing — with the titanium rings, I’m a true size 7, but the new ceramic dimensions take some getting used to. I’d actually recommend wearing the sizing kit models for 48 hours rather than the recommended 24.

My neighboring finger feels it more often, too. The zirconia ceramic has a slightly “tackier” texture to it — not to be confused with looking tacky at all. In fact, the material is so smooth and glass-like that it takes on an opalescent shine in the right lighting, which is arguably my favorite part about the Tidal colorway I was graced with (which is actually built into the material itself, but more on that later). But instead of sliding right across it, my middle finger will drag and encounter some pleasant, tactile friction, especially if my hands aren’t dry. It’s comforting to run my fingers across it during meetings.

There’s a little notch on the bottom to mark where the sensors should line up with the bottom of your finger, which I find easily with my thumb. The ‘tackiness’ actually helps my ring from twisting and moving the sensors too much.

The ceramic itself

Bold, beautiful, but not necessarily elevated

The Oura Ring 4 Ceramic isn’t made of the same material that the homemade mug in your kitchen is. It’s made with zirconia ceramic, which is a high-performance material that’s so smooth and polished it often looks and feels like glass. Beyond the looks department, it’s tough as nails — which is what I truly care about in a fitness tracker. I’m not under the covers all day tracking my sleep — I’m in the gym lifting weights that are used to stealing my titanium Oura Ring 3’s lunch money. If you look close enough, the material on the former model is covered in scratches and imperfections, which is also a reported issue on the titanium Oura Ring 4 models.

It comes as a disheartening courtesy of tougher metals scratching up the metallic finish. But the zirconia ceramic isn’t a ‘finish’ like the titanium models — the color is actually built into the material itself. Oura even states that scuffs and scratches that may inevitably appear on the ceramic rings are a result of weaker materials themselves rubbing off on the ring, not the other way around. Luckily, the company provides a polishing pad with the ceramic rings so you can buff off any gray marks.

What the ceramic says about other wearables

Time to enter the fashionable era

Credit: Oura / Pocket-lint

There’s no denying the ceramic’s beauty. While I chose Tidal for its calming, ocean-like hue, it was neck-and-neck with the more feminine Petal pink. The deep, more masculine-leaning, Midnight is mesmerizing, and the Cloud has a timeless cleanliness to it that goes with any outfit, albeit boldly. However, I do find myself shrugging it off in the evenings before a dinner date or night out on the town — the ceramic ring doesn’t shine with the same elegance that the gold does, even with its close-up scratches.

As someone who’s constantly donning gold or silver jewelry, the ceramic ring is a statement accessory for my daytime endeavors, but comes off at night if I’m going for a more cohesive overall look. On that same note, any Oura Ring is bulky next to a dainty little ring or bracelet — even a slimmer titanium one. If you’re keen on statement jewelry, there is no better (or smarter) wearable out there now.

Credit: Oura

Wearables are no longer in their infancy, but they’re only just stepping into fashion. If you wear a smartwatch or chest sensor, everyone knows its purpose and doesn’t fault you for any color or material clashes. Wearables are devices you wear for function, not fashion. Sure, some smartwatches can sport designer bands that out-price the device itself, but it’s still an Apple Watch and a Tory Burch band separately.

A ceramic ring feels like a deliberate move to break free from the function-first assumption almost all people make about wearables. Yes, the zirconia ceramic adds substantial bulk to the ring, but the color and glass-like feel balance it with a Zen aura (no pun intended) and luxurious finish. It’s a statement piece I want to match with a Lululemon Pilates set — bonus points that it tracks the calories burned while I’m sporting it.

I do think that Oura needs to somehow slim down the ceramic in any future rings, but it marks a significant jump fashion has made into the wearables space — one that I predict other health-tracker giants will begin scrambling to replicate in the coming years.

Are there software changes?

No, and there doesn’t need to be

The Oura Ring 4 Ceramic has nothing new under the hood from its predecessor, the regular Oura Ring 4 — if you could even call it that. The ceramic line simply refreshes the outside material and serves solely as a cosmetic upgrade. It still boasts six-to-eight days of battery life, even if that battery infamously degrades with extended use.

My Oura Ring 4 Ceramic in Tidal continues to track my sleep, activity, stress, and women’s health metrics better than any wearable I’ve worn in the past. As a busy bee prone to saying yes to all plans that request a spot on my calendar, I have to be very cognizant of my Readiness Score, calculated by heart rate, HRV, and a myriad of other measurements that help complete the picture of my health.

Oura’s native AI Health Advisor also has a special spot in my wellness routine. After training for a half-marathon, it helped me come up with a recovery plan so I could be off to the races again as quickly as I could. And, of course, the app still (kindly) reminds me how badly I sleep every night — 2026 resolutions, Oura… 2026 resolutions.

Who should and shouldn’t buy the Oura Ring 4 Ceramic

Plus, why the end of the year is the best time

If you want to buy any Oura ring, now is the time. The smart rings are HSA- and FSA-eligible, and are a spectacular choice for those ‘use-it-or-lose-it’ dollars. The ceramic line is the priciest of Oura’s lineup ($150 more than the titanium Oura Ring 4), so the extra funds help justify the cost — because this is ultimately a color- and material-driven purchase.

The Oura Ring 4 Ceramic line is for statement-piece wearers. Ones who aren’t afraid to draw attention to their hands, and flash some color where most people typically see gold or silver metals. It’s not for users who’d prefer to fly under the radar with daintier pieces that catch subtle glances, not receive flattering but stark, “What’s that on your finger?” remarks.

There’s some in the crowd that want both — they want their smart tech to be chameleons on their hand some nights, and the peacock in the middle of the room on others. The Ceramic Oura Ring 4 is for owners of the titanium Oura Ring 4 who want rotation, as Oura announced cross-compatibility between all 4th-gen rings. So, if you want to wear Petal during daytime yoga and swap it for shiny gold on a moody dinner date, your options are endless.

Oura knows that the ceramic-pivot is a fashion statement. The ceramic ring isn’t supposed to replace your titanium ring, but rather coexist with it. And with a $500 price tag that puts it at the top of the wearable company’s already premium pyramid, it’s no cheap extra. If multiple rings in multiple colors to take advantage of that cross-compatibility is within your budget, adding an Oura Ring 4 Ceramic to your smart jewelry box is a mighty fine idea. Switching the style of your smart ring adds a layer of status to your health tracking.

Minimalists, back off. If you’re upgrading from a titanium Oura Ring 3 or older generation and prefer the way the metallic ring blends in, investing in an Oura Ring 4 Ceramic is choosing a statement colorway over a more neutral piece. You may find yourself taking it off some days, which is part of the trade-off when a wearable doubles as a statement piece.

Brand

Oura

Heart rate monitor

Yes

Battery life

5-8 days

Sensors

Blood Oxygen, Heart Rate, HRV, Respiration Rate

The Oura Ring 4 Ceramic is a health-tracking smart ring with a zirconia ceramic finish, slightly thicker design, and new color options.

The Oura Ring 4 Ceramic was provided to Pocket-lint by Oura. The company had no input as to the contents of the article before or after writing.