Made of Grilamid TR 90 NZZ, a homopolyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. Hydrophilic rubber ear and nose pieces for a no-slip fit. Adjustable temples and nose pieces for custom fit.
MORE INFORMATION: Both Frame and Lens meet or exceed ANSI Z87.1 impact standards. Lenses meet or exceed ANSI Z87.1 standards for optical clarity and eye coverage.