Wiley X WX TREK Matte Havana Brown Frames / CAPTIVATE™ Polarized Copper Lenses M/L AC6TRK06Sunglasses With an ANSI Z87. 1+ safety rating and removable side shields for extra peripheral protection when you need it, the WX Trek is a virtual fortress of protection for your eyes. Its super tough Triloid frame can accommodate a higher range of prescriptions than most high wrap frames without sacrificing the lightweight comfort that makes it a viable choice for treks of any distance. Last but not least, a modern, rectangular lens shape and