Smart Ring Protection Cover - OSleeve Slate Gray (Legacy)
Smart Ring Protection Cover - OSleeve Slate Gray (Legacy)
Classic. Minimal. Understated.
The OSleeve Slate Gray (Generation 4.0) offers a timeless matte-gray finish with a slight sheen that naturally softens with wear. Designed to blend seamlessly into your lifestyle, it’s the perfect choice for those who value subtle sophistication.
Crafted from high-quality silicone, the OSleeve delivers lightweight protection without compromising comfort. Whether you're heading to the office or heading outdoors, the Slate Gray edition adds a low-profile layer of defense against everyday bumps, scuffs, and grime.
Engineered to be a precise fit for the Ōura (Gen 3 & 4), RingConn, UltraHuman Air, and Samsung Galaxy smart rings.
The flexible silicone hugs your ring securely, protecting sensors while maintaining biometric accuracy. The soft-touch texture gives a comfortable, non-slip feel — ideal for daily wear and light workouts.
While the Generation 4.0 series is not built for heavy lifting or high-torsion activity, it remains a trusted option for daily smart ring users who value quality protection and minimalist design.
PATENT PENDING
Proudly made in New Zealand using ethical manufacturing practices and premium-grade silicone.
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
Let's Get Dressed (and Undressed)
When designing the OSleeve, we worked to make it easy to install and remove from your smart ring. That's especially important if you're only wanting to use your OSleeve when working out or doing hand-intensive activity that could easily damage your ring (hint: metal against metal never ends well for a smart ring).
And guess what the best part is?
If you already know your smart ring size, selecting an OSleeve size is easy.
We've carefully selected our materials to be able to safely stretch up to 3 ring sizes without tearing or sacrificing function. So, within the sizing drop down, you'll see your smart ring brand and their specific sizing brackets.
Just select the right brand and your size and BOOM! You've got OSleeve magic in your cart.
Installation and Care Instructions (with FAQ)
How to Keep Your OSleeve Looking Good for Longer
- If your OSleeve gets dirty or exposed to dye or transferrable color, please put it into clean water ASAP. Use your fingers to rub the surface of the OSleeve with colorless soap & dry with a clean cloth.
- Every 3-5 days, take your OSleeve off your smart ring & wipe down with a dry, clean cloth. This is especially true if you shower or wash your hands with the OSleeve installed as it will trap water.
- When not on your smart ring, please store somewhere clean & dry. Our OSleeve will pick up dust/dirt when they're thrown into your gym or handbag.
- Take your OSleeve off during the application of facial/body lotions & oils. You can put it back on after they've been applied. What we do, is just take off both the smart ring and OSleeve as a paired unit, put on our lotions/oils, then put the smart ring/OSleeve unit back on.
- If you'd like an alternate option to use when you're working with things that would affect the clarity or aesthetic of your OSleeve, you might like to purchase a fully opaque color such as black.
- If your OSleeve no longer fits your smart ring snugly, please email us.
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Generation |
1.0 (Original) |
2.0 (“Soft Touch”) |
3.0 |
4.0 |
5.0 |
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Date Range |
Mar 2022 - Present |
Oct 2022 - Feb 2023 |
June 2023 - December 2023 |
December 2023 - Present |
February 2025 - Present |
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Resistance to discolouring |
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Durability |
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Material |
Thermoplastic |
Thermoplastic |
High-quality silicone |
High-quality silicone |
High-quality silicone |
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Memory |
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Finish |
Glossy |
Matte |
Matte |
Semi-gloss that mattifies over time, seamless |
Semi-gloss and pure matte options, seamless |
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Available Colours |
Transparent, Black |
Clear, Black, Frosted |
Clear, Black, White, Blue, Pink, Gray |
Clear, Black, White, Blue, Pink, Gray |
Clear, Black, White, Pink, Gray |
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Best use |
Everyday wear, Light to Heavy duty bar work. |
Everyday wear, Light to Heavy duty bar work. |
Everyday wear, light bar work. |
Everyday wear, light to medium bar work. |
Everyday wear, light to heavy bar work. |
