Heat Wave Vise Z87 Sunglasses Black Frame: Photochromic Lens

 These adaptive lenses to adjust from a clear to dark tint depending on your environment in under 30 seconds.

These Vise®s feature Variable Tint Transition Lenses with a VLT range of 75-17%

About the Vise® Z87: features an all TR90 construction and tightly holds form and function together, as the Vise® Z87 meets ANSI Z.87 mass-impact requirements (and Z87+ with add on side-shields) featuring 2mm thick lenses to aid in protection against basic impacts and flying debris, which enables the Vise® to transcend just that of a regular pair of sunglasses.