On a hot, beach day in August, you'll be happy to have a pair of strong glasses that offer a sleek look. The Maui Jim Adults' Stingray Polarized Sunglasses are constructed from tough, injection-molded plastic Cellulose Propionate and feature SuperThin glass lenses. The rectangular-shaped frame has a fixed saddle-style bridge and silicone pads to prevent slipping. PolarizedPlus2® technology protects against UV rays for safety.