Cast Molded, duraclear polarized trivex lenses with fog-inhibiting technology, anti-reflective coatings and a z87.1 impact rating deliver crisp, strain-free vision built for all day wear. Lighter and stronger than polycarbonate, clear like glass or mineral lenses. Duralite grilamid TR-90 frame in a black finish is extremely resistant to UV rays, heat, chemicals and stress cracking.

High-impact strength.