Harken's Grinder sunglasses feature a Nylon Grilamid frame that is tough, flexible, chemically-resistant to sunscreens, and hypo-allergenic. Polarized lenses block 100% UVA, UVB, UVC rays, absorb 99.9% reflected glare and are made from distortion-free injection molded impact resistant polycarbonate lenses that repels water, resists water spots and eases cleaning.
Exterior flash mirror coating reduces reflections and glare, anti-scratch coating protects optical clarity. Interior anti-reflective coating eliminates reflections and enhances optical acuity. Protective hard storage case included.