--- product_id: 645463023 title: "Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase" brand: "oura" price: "€ 24.21" currency: EUR in_stock: true category: "Oura" url: https://www.desertcart.fr/products/645463023-oura-ring-gen3-sizing-kit-size-before-you-buy-oura store_origin: FR region: France --- # 24+ hrs wear test for perfect fit $10 credit towards Oura Ring purchase Custom Gen3 sizing, not standard Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase **Brand:** oura **Price:** € 24.21 **Availability:** βœ… In Stock ## Summary > πŸ“ Nail your perfect fit before you commit! ## Quick Answers - **What is this?** Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase by oura - **How much does it cost?** € 24.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/645463023-oura-ring-gen3-sizing-kit-size-before-you-buy-oura) ## Best For - oura enthusiasts ## Why This Product - Trusted oura brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Earn While You Size:** Get a $10 credit towards your Oura Ring purchase when you buy the sizing kitβ€”smart sizing pays off. - β€’ **Wear It Like You Mean It:** Test your ring sizer for 24+ hours to guarantee comfort and no rotation during daily activities. - β€’ **Exclusive Gen3 Sizes Only:** Sizes 6-13 with no half sizes, designed specifically for Oura Ring Gen3’s unique fit system. - β€’ **Maximize Your Data Accuracy:** A perfect fit means your Oura Ring delivers the most precise health and wellness insights. - β€’ **Precision Fit, Zero Guesswork:** Custom sizing kit tailored exclusively for Oura Ring Gen3 ensures you get the perfect fit every time. ## Overview The Oura Ring Gen3 Sizing Kit is a specialized tool designed to help you find the exact size for the Oura Ring Gen3, which uses unique sizing different from standard rings. Wearing the sizer for at least 24 hours ensures optimal comfort and data accuracy. Available in sizes 6-13 without half sizes, this kit also offers a $10 credit towards your future Oura Ring purchase, making it a smart and essential step before buying. ## Description The Oura Ring Sizing Kit allows for you and those around you to find the ideal fit before purchasing. With a sizing kit purchase, receive a $10 desertcart credit towards the future purchase of an Oura Ring (terms and conditions apply). A properly fitting Oura Ring will result in the highest possible data accuracy, comfort, and overall experience. Oura Ring sizes are different from standard ring sizes, so it is important to size yourself using our tools and to follow our sizing instructions. Oura Ring works on all fingers and can be worn on either hand. For optimal accuracy, we recommend wearing your Oura Ring on your index finger. ## Features - OURA RING GEN3 SIZING KIT - The Oura Ring Gen3 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 ideal fit before purchasing - SIZE BEFORE YOU BUY – Size with Gen3 Sizing Kit prior to purchasing Oura Ring Gen3 (different sizing from Oura Ring 4). For additional details, see β€œFrom the brand” section below. - NOT STANDARD SIZING β€” Oura Ring Gen3 Sizing Kit only works to size for Oura Ring Gen3. Gen3 sizes are different from standard ring sizes. Oura Ring Gen3 is available in sizes 6-13. There are no half sizes. - HOW IT SHOULD FIT - We recommend wearing your ring sizer for at least 24 hours to confirm your best fit. Oura Ring Gen3 should fit securely and comfortably at the base of your finger. Your ring should not rotate as you go about normal daily tasks. - COMFORT AND ACCURACY β€” A properly fitting Oura Ring Gen3 will result in the highest data accuracy, comfort, and overall experience - CHOOSE A FINGER β€” Oura Ring Gen3 works on all fingers and can be worn on either hand. For optimal accuracy, we recommend wearing your Oura Ring Gen3 on your index finger. Size the exact finger you plan to wear your Oura Ring Gen3 on ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CYWC18G8 | | Best Sellers Rank | #91,324 in Fashion ( See Top 100 in Fashion ) #83 in Ring Sizers | | Color | White | | Customer Reviews | 4.3 4.3 out of 5 stars (1,053) | | Date First Available | 7 June 2024 | | Item Weight | 100 g | | Item model number | JZ98-54794 | | Other display features | Wireless | | Package Dimensions | 14.71 x 14.3 x 2.59 cm; 100 g | | Whats in the box | Oura Ring Sizing Kit | ## Images ![Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 1](https://m.media-amazon.com/images/I/416pAbpr2BL.jpg) ![Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 2](https://m.media-amazon.com/images/I/41WsIv+fVEL.jpg) ![Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 3](https://m.media-amazon.com/images/I/4163N9cTHxL.jpg) ![Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 4](https://m.media-amazon.com/images/I/414kxAIqE7L.jpg) ![Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing, Not Standard US Ring Sizes - Receive Credit for Purchase - Image 5](https://m.media-amazon.com/images/I/51Y+zFD6T0L.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Oura Ring Gen3 Sizing Kit - Size Before You Buy The Oura Ring Gen3 - Unique Sizing - Receive Credit for Purchase - Oura Ring 4 Sizing Kit - Size Before You Buy Oura Ring 4 - Unique Sizing - Receive Credit for Purchase - RingConn Gen 2 Air Sizing Kit - Size First Before You Buy - Choose from 9 Sizes - Sizes 6 to 14 - Only Smart Ring --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/645463023-oura-ring-gen3-sizing-kit-size-before-you-buy-oura](https://www.desertcart.fr/products/645463023-oura-ring-gen3-sizing-kit-size-before-you-buy-oura) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-09-17*