Specially designed to fit comfortably and attractively over prescription eyewear. Adjustable temple length and patented adjustable lens inclination provide a close-to-the-face fit. Duoflex temples feature comfort cushions. Easily replaceable clear lens available with Ultra-dura coating or Uvextreme AF antifog, anti-static, anti-scratch, and anti-UV coating. Meets ANSI Z87.1-1989 and CSA Z94.3-1992 standards.