Key Features

• Designed to ensure the correct fit for the Ultrahuman Ring Air
• Includes dummy rings in sizes 5 to 14 for accurate sizing

Ultrahuman Ring Sizing Kit Guide

• Step 1: Test multiple sizes on index, middle, or ring finger for a snug fit
• Step 2: Wear chosen size for two nights to confirm comfort and stability (sensor bumps aligned to palm side, minimal rotation)
• Step 3: Use included colour swatches to preview ring colour options (Note: swatches are for reference, not actual material)