TR90 Frame frame

Polycarbonate lens

Non-Polarized

UV Protection Coating coating

Lens width: 137 millimeters

Arm: 13.31 millimeters

【Photochromic Glasses】 Lenses will change from clear to dark gray in response to the intensity of the ultraviolet, and the visual light transmission of the photochromic lens is from 85% to 15%. Effectively maintain a suitable brightness to protect your eyes in strong sunshine. Attention!!! The darkness of lens color depends on UV intensity!