ASTM F2413-11 I/75/C/75

87+ with optional add-on side shields

Metal buttons

100% Cotton

Future Tech Sunglasses: Vapor Clear Frame Transition Lens Z87+ Work Wear ASTM F2413-11 I/75/C/75The FUTURE TECH with wizard like tint transitioning lenses. These frames are fitted with adaptive lenses that automatically adjust from a clear to dark tint (or dark to clear) based on the UV light in your environment. The variable tint range of these lenses adjusts from a very clear 78% to a very chill 14% VLT of darkness, all in about 30 seconds. So when you're inside your garage grinding off all the bubblegum welds from a sweet barn find C10,