Maui Jim Guardrails Polarized Sunglasses frames are made of MauiFlex memory metal, a proprietary material that remembers fit and shape longer than traditional metal frames. Saddle-style bridge with rubber nosepads keeps the glasses from sliding down your face. PolarizedPlus2 lens technology wipes out 99.9% of glare, manages 95% of HEV and blocks 100% of harmful UV rays while boosting contrast. Maui Evolution 1.6 high-index lenses are scratch- and impact-resistant and have improved optics over polycarbonate. Modified aviator shape compliments oval or oblong faces. Includes hard case and cleaning cloth pouch. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.