Wiley X Twisted M/L Gray Lens Polycarbonate Matte Black Frame. Strong rectangular frame fronts and entrenched geometric design elements around the WX logos add subtle flair to the extreme protection and clarity delivered in every pair of Wiley X glasses. The WX Twisted is also offered in alternate frame options to better fit face shapes with high cheekbones and/or shallow nose bridges. Specifications for Wiley X SSTWI18 Twisted M/L Gray Lens Polycarbonate Matte Black Frame: Manufacturer: Wiley X Lens Color: Gray Color: Matte Black Polarized: Yes Lens Type: Polycarbonate Frame Material: Triloid Nylon Wiley X SSTWI18 Twisted M/L Gray Lens Polycarbonate Matte Black Frame