Fit & Design: Frame Fit: Regular Frame Size: Large 580P Polycrbonate lenses are lightweight and impact-resistant Polycarbonate and Trivex are the lightest and most durable lenses The round shape and wave-textured integrated rubber guarantee style and fit in surf and sand Technology: Polarized lenses protect against UV rays and filter out unwanted glare C-WALL® is a molecular bond which is scratch-resistant Lightweight, marine-grade corrosion-resistant Monel® frames