Claer Lenses:Indoor or at night
Lenses become darker:when expose to UV sunlight
Darken to a sunglasess tint When stay in the sun
Anti UV400
Lenses are clear when indoors or at night and automatically darken to a sunglasses tint when exposed to UV sunlight.
Lenses will begin to clear as soon as they are away from UV sunlight, and will be noticeably lighter and mostly clear within a few minutes.
They absorb 100% UV radiation that can otherwise damage your eyes.
They provide the correct amount of protection for the varying light conditions you experience.
They are an excellent solution for people who hate constantly switching between their reading glasses and their shades.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.99 inch
Height : 1.65 inch
Length : 6.61 inch

Item Weight: 7.04 ounce (View shipping rates and policies)
Shipping Weight: 4.8 ounce (View shipping rates and policies)

ASIN : B01938V9CC