--- product_id: 705628063 title: "Oura Smart Ring 4 Sizing Kit | Non-Standard Fit - Size Before You Buy - Measure For Best Comfort and Accuracy - Receive Credit for Purchase" price: "€ 11.79" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.be/products/705628063-oura-smart-ring-4-sizing-kit-non-standard-fit-size store_origin: BE region: Belgium --- # Sizes 4-15, no half sizes, custom fit dh35.00 credit towards Oura Ring 4 Precision sizing kit for perfect fit Oura Smart Ring 4 Sizing Kit | Non-Standard Fit - Size Before You Buy - Measure For Best Comfort and Accuracy - Receive Credit for Purchase **Price:** € 11.79 **Availability:** ✅ In Stock ## Summary > 💡 Size it right, wear it smart — your health’s best fit awaits! ## Quick Answers - **What is this?** Oura Smart Ring 4 Sizing Kit | Non-Standard Fit - Size Before You Buy - Measure For Best Comfort and Accuracy - Receive Credit for Purchase - **How much does it cost?** € 11.79 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/705628063-oura-smart-ring-4-sizing-kit-non-standard-fit-size) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Savings:** Get dh35.00 credit towards your Oura Ring 4 when you buy the sizing kit—invest smart, save smart. - • **Tailored for You:** Non-standard sizing means your Oura Ring 4 fits uniquely, unlike any other ring you own. - • **Wear It Your Way:** Fits any finger on either hand, with recommended fingers for optimal health tracking. - • **Gift-Ready Confidence:** The ideal gift for loved ones—no guesswork, just the perfect fit every time. - • **Perfect Fit, Perfect Data:** Ensure maximum comfort and accuracy by sizing your exact finger before purchase. ## Overview The Oura Ring 4 Sizing Kit is a precision tool designed to help you find the perfect fit for the Oura Ring 4, which features non-standard sizes from 4 to 15 without half sizes. Purchasing the kit grants you a dh35.00 credit towards your future Oura Ring 4 purchase, ensuring both comfort and data accuracy. Compatible with all fingers and hands, this kit guarantees a tailored, comfortable experience for optimal health tracking. ## Description From the manufacturer Find the right fit Oura Ring 4 sizes are different than standard sizes. The Oura Ring 4 Sizing Kit is the best way to ensure a comfortable and accurate experience. Step 1 Purchase an Oura Ring 4 Sizing Kit and receive a £10 credit towards your Oura Ring. Step 2 Advanced health monitoring capabilities, including heart rate, sleep patterns, and activity tracking. Step 3 Slip on your Oura Ring 4 and download the Oura App. Step 4 New members get the first month of Oura Membership free, then it’s £5.99 per month. Oura Ring Size before you buy Easy to wear, everywhere No interruptions Built to last More accurate. More personal. The Oura Ring 4 Sizing Kit is the best way to ensure an accurate experience. Sleek and comfortable, Oura Ring seamlessly fits into your life from a workout to a night out. Stay present without notifications on your wrist. Check the Oura App when you want to. Oura Ring 4 is fully titanium: one of the strongest metals on earth. Durable, lightweight, and water resistant. Oura Ring 4 delivers incredibly accurate data and personalised health insights to help you be at your best. A really smart gift. The Oura Ring 4 Sizing Kit makes the perfect gift for your loved ones who want an Oura Ring 4 but you may not know their Oura Ring 4 size. Review: good to choose the right fit - These are perfecct to size your oura ring. just wish you could 'borrow' them Review: Brilliant little kit! - Brilliant little kit! Saved me a fortune, I couldn't tolerate the bulkiness of the ring on my finger which was very good to know before buying the real thing! ## Features - OURA RING 4 SIZING KIT - The Oura Ring 4 Sizing Kit is the ideal way to find the perfect size. It’s a custom sizer that allows for you, and those around you, to find the perfect fit before purchasing. - RECEIVE dh35.00 CREDIT - With a sizing kit purchase, receive a dh35.00 desertcart credit towards the future purchase of an Oura Ring 4. Sizing kit is not returnable (terms and conditions apply). - NOT STANDARD SIZING - Oura Ring 4 sizes are slightly different from standard ring sizes, so it is important to size yourself using our Oura Ring 4 sizing kit and to follow the instructions provided. Oura Ring 4 is available in sizes 4-15. There are no half sizes. - COMFORT AND ACCURACY - A properly fitting Oura Ring will result in the highest data accuracy, comfort, and overall experience. - CHOOSE A FINGER - Oura Ring 4 works on all fingers and can be worn on either hand. For optimal accuracy, we recommend wearing your Oura Ring 4 on your index, middle, or ring finger. Size the exact finger you plan to wear your Oura Ring 4 on. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DWFSW47F | | Best Sellers Rank | 389 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 52 in Wearable Technology (Electronics & Photo) | | Colour | White | | Customer Reviews | 4.5 4.5 out of 5 stars (1,142) | | Date First Available | 1 Mar. 2025 | | GPS | No GPS | | Item Weight | 0.55 g | | Item model number | JZ98-54867 | | Other display features | Wireless | | Product Dimensions | 14 x 14 x 2.5 cm; 0.55 g | | What’s in the box | Oura Ring 4 Sizing Kit | ## Images ![Oura Smart Ring 4 Sizing Kit | Non-Standard Fit - Size Before You Buy - Measure For Best Comfort and Accuracy - Receive Credit for Purchase - Image 1](https://m.media-amazon.com/images/I/61NL606+M8L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ good to choose the right fit *by S***7 on 5 May 2026* These are perfecct to size your oura ring. just wish you could 'borrow' them ### ⭐⭐⭐⭐⭐ Brilliant little kit! *by A***M on 20 May 2026* Brilliant little kit! Saved me a fortune, I couldn't tolerate the bulkiness of the ring on my finger which was very good to know before buying the real thing! ### ⭐⭐⭐⭐⭐ Perfect Fit, First Time: Oura Ring 4 Sizing Kit Review *by A***N on 3 March 2025* The Oura Ring 4 Sizing Kit is an essential first step for anyone considering this innovative smart ring. It takes the guesswork out of finding your perfect fit, ensuring a comfortable and accurate wearing experience. Key Features: Comprehensive Sizing: The kit includes a wide range of sizes to accommodate various finger shapes and sizes. Easy-to-Use: Clear instructions and a simple sizing method make it easy to determine your correct ring size. Unique Sizing Classification: Oura's unique sizing system ensures a precise fit specifically for their smart rings. Purchase Credit: The cost of the sizing kit is credited towards your Oura Ring 4 purchase, making it a worthwhile investment. Well-Packaged: The kit arrived well-packaged and organised, making it easy to find the right size. Overall: The Oura Ring 4 Sizing Kit provides a seamless and accurate way to find your perfect ring size. It's a must-have for anyone considering purchasing an Oura Ring, ensuring a comfortable and enjoyable experience from the start. ## Frequently Bought Together - Oura Ring 4 Sizing Kit - Size Before You Buy Oura Ring 4 - Unique Sizing - Receive Credit for Purchase - Oura Ring Gen3 Sizing Kit-Size Before You Buy for Heritage and Horizon Rings-Measure Sizes 6-13 for Fit Before Purchasing, Sizes are Unique to Oura --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/705628063-oura-smart-ring-4-sizing-kit-non-standard-fit-size](https://www.desertcart.be/products/705628063-oura-smart-ring-4-sizing-kit-non-standard-fit-size) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-03*