Revant Optics Replacement Lenses for Ray-Ban RB4378 54mm Gray Photochromic Non-Polarized Size: RB4378 54mm Measurements* Notes: Lenses are clear but change to gray when exposed to UV light. Condition: New With Box, Unused *I do my best to take accurate measurements, but please consider all measurements approximate. Please feel free to reach out if you are unsure about sizing.
