Future Tech Sunglasses: Ultra Black Z87+ Polarized Tried & True The lens is locked into

The lens is locked into an Ultra-flexible

Flat screwdriver

Meets ANSI / ISEA 107-2015 Type R

And since none of us want to give up a great pair of work boots once we've found them

Future Tech Sunglasses: Ultra Black Z87+ Polarized Tried & True The lens is locked intoThe Future Tech Ultra Black features a darker than normal lens that still meets ANSI z87 requirements. While most of our lenses have a base Visible Light Transmittance of 11%, the Ultra Black takes it down to 7%, making these ANSI Z87 Special Use sunglasses. Additionally we've used a pure grey base tint to give the truest perception of color while keeping your eyes as shaded as possible. Fogged up lenses are annoying, but lets be honest, they are