Find Your Perfect Rhythm.
The AIVELA Ring Pro Sizing Guide
AIVELA Ring Pro is available in the US standard sizes 7–14. To ensure consistent biometric tracking and ultimate comfort, we highly recommend trying our official Sizing Kit before finalizing your choice.
Choose Your Finger




Test the Fit
Master the Baseline
Your ring should feel snug, stable, and entirely weightless.
Checklist:
- Seamless Contact: Hugs your skin for continuous, flawless data tracking.
- Effortless Security: Stays stable without sliding or rotating during movement.
- Total Freedom: Zero pressure or numbness—built for 24/7 comfort.
Pro-Tip Box:
The 24-Hour Rule: Fingers swell and shrink with temperature and hydration. Wear your sizing ring for 24 hours (including sleep) before finalizing your size.

Lock In Your Size
Caught Between Two Sizes?
If you sit right on the edge of two sizes, we recommend choosing the slightly roomier, more comfortable fit. A fit that is too tight may cause overnight discomfort, while a proper comfortable fit ensures the sensors maintain continuous contact without ever feeling intrusive.