Go extreme with this ANSI Z87.1-2010 approved ultimate convertible sunglass. A second frame front with clear lenses, removable foam and detachable strap provides 8 different combinations for the price of one. Removable closed cell memory foam maintains visual clarity and comfort by blocking wind and dust. While the adjustable strap enables quick conversion from sunglass to goggle. This eyewear includes a carrying case and microfiber cleaning cloth for maximum care and convenience. Compliance: ANSI Z87.1-2010, CE EN-1836:2005/A1:2007, EN 166 high speed impact at 45m/s in extreme temperatures.