Oura Ring 4 Silver – Size 10 Smart Ring Sizing Kit

Overview The Oura Ring 4 Smart Ring Sizing Kit (Silver – Size 10 reference) is designed to help you find the perfect ring size before purchasing your Oura Ring 4. Accurate sizing is essential for reliable sleep, heart rate and activity tracking, and this official sizing kit ensures a comfortable, secure fit for everyday wear and overnight use. It’s the recommended first step to get the best performance from Oura’s advanced health tracking—so you can order your final ring with confidence. Note: This product is a sizing kit only and does not include the smart ring . Key Features Official Oura Ring 4 sizing kit – ensures accurate fit before ordering your ring Size 10 reference (Silver) – try the correct size for comfort and accuracy Optimised for sensor accuracy – proper fit improves sleep and heart-rate tracking Comfort-first design – test day and night wear before committing Easy sizing process – simple, quick and hassle-free Essential step before purchase – recommended by Oura for best results Benefits Get the right fit first time – avoid exchanges and delays Improve data accuracy – correct sizing helps sensors read consistently Comfort you can trust – test real-world wear during sleep and daily activity Buy with confidence – order your final Oura Ring 4 knowing it fits perfectly Specifications Table Specification Details Product Name Oura Ring 4 Smart Ring Sizing Kit Colour Silver (reference) Size 10 (test size) Product Type Sizing Kit (ring not included) Purpose Ring fit verification before purchase Compatible With Oura Ring 4 EAN / Barcode 6430060153424 ...