Size & Fit
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LUMYN frames are designed to sit comfortably across a wide range of face shapes and sizes. Because our technology is built into the temple arms, fit matters even more than with standard glasses — a good fit keeps the speakers positioned correctly near your ears for the best audio.
How to measure
- Grab a pair of glasses you already own and love the fit of.
- Check the inside of the temple arm for three numbers, e.g. 52-18-140 (lens width, bridge width, temple length in mm).
- Compare against the size guide below to find your closest LUMYN match.
| Frame | Lens Width | Bridge | Temple | Best For |
|---|---|---|---|---|
| Optical (Standard) | 52mm | 18mm | 140mm | Narrow to medium face |
| Optical (Wide) | 55mm | 20mm | 145mm | Medium to wide face |
| Sun (Classic) | 54mm | 19mm | 142mm | Narrow to medium face |
| Sport (Wrap) | 56mm | 17mm | 130mm | Active / wide face, secure fit |
Use our virtual try-on tool or reach out to hello@lumyn.pro and our team will help you pick the right fit.