Optic Nerve Micron Photochromatic Sunglasses: Shiny Black

The Micron PM features photochromatic lenses which change automatically in varying light conditions, so you never have to worry about swapping lenses.
TR90 nylon frame materials for durability and flexible comfort
Unisex design fits narrow face shapes
100% UVA/UVB Protection
Meets ANSI Z80.3 standards for optical clarity and impact resistance