--- product_id: 706493261 title: "Ring Gen3 Sizing Kit - Size Before You Buy the Oura Ring Gen3" brand: "oura" price: "€ 43.43" currency: EUR in_stock: true category: "Oura" url: https://www.desertcart.be/products/706493261-ring-gen3-sizing-kit-size-before-you-buy-the-oura store_origin: BE region: Belgium --- # 24h wear test for perfect fit Custom Gen3 sizing, no guesswork Credit towards Oura Ring Gen3 purchase Ring Gen3 Sizing Kit - Size Before You Buy the Oura Ring Gen3 **Brand:** oura **Price:** € 43.43 **Availability:** βœ… In Stock ## Summary > πŸ“ Nail your fit, own your wellness journey. ## Quick Answers - **What is this?** Ring Gen3 Sizing Kit - Size Before You Buy the Oura Ring Gen3 by oura - **How much does it cost?** € 43.43 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/706493261-ring-gen3-sizing-kit-size-before-you-buy-the-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€’ **Exclusive Credit Bonus:** Get 10 desertcart credit towards your Oura Ring Gen3 purchaseβ€”size now, save later. - β€’ **No Half Sizes, No Hassle:** Unique sizing system (sizes 6-13) designed specifically for Gen3, eliminating confusion and returns. - β€’ **Tailored for Your Finger:** Works on any finger, any hand, with optimal accuracy on the index finger for next-level data precision. - β€’ **Wear It Like You Mean It:** Recommended 24-hour wear test guarantees comfort and stability during your busiest days. - β€’ **Precision Fit, Zero Regrets:** Custom sizing kit tailored exclusively for Oura Ring Gen3 ensures you get the perfect fit before you buy. ## Overview The Oura Ring Gen3 Sizing Kit is a specialized tool designed to help you find the perfect ring size before purchasing the Oura Ring Gen3. Unlike standard rings, Gen3 uses a unique sizing system (sizes 6-13, no half sizes). Wearing the sizer for at least 24 hours ensures optimal comfort and data accuracy. The kit works on any finger and includes a 10 desertcart credit towards your future Oura Ring Gen3 purchase, making it a smart, risk-free step to owning the cutting-edge wellness ring. ## 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 slightly 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 | | Colour | White | | Country of Origin | USA | | Customer Reviews | 4.3 4.3 out of 5 stars (1,055) | | Date First Available | 7 June 2024 | | Item Weight | 100 g | | Item model number | JZ98-54794 | | Manufacturer | Oura | | 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 ![Ring Gen3 Sizing Kit - Size Before You Buy the Oura Ring Gen3 - Image 1](https://m.media-amazon.com/images/I/51Y+zFD6T0L.jpg) ## 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.be/products/706493261-ring-gen3-sizing-kit-size-before-you-buy-the-oura](https://www.desertcart.be/products/706493261-ring-gen3-sizing-kit-size-before-you-buy-the-oura) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-29*