Oura Ring 4 Sizing Kit - Smart Ring Accessory - Before You Buy - Unique Sizing, Not Standard US Sizes - Receive Credit for Purchase - Compatible with Oura App, Android & iOS

by OURA · ASIN B0D9WVWXR1

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 SIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see “From the brand” section below 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. Oura Ring 4 is available in sizes 4-15. There are no half sizes

Lowest price seen · Checked 2026-08-01

Price as of Aug 1, 2026, 2:47 p.m. EDT. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.ca at the time of purchase will apply to the purchase of this product. As an Amazon Associate I earn from qualifying purchases.