The stylish Sundog Laser features suspended open bottom lenses on an open frame design constructed of extreme lightweight MaxFlex. It has Megol nose pads along with Megol co-injected temples tips for non-slip performance and comfort. Fits medium to larger face shapes. TrueBlue branded lens technology incorporates synthetic melanin and ocular lens pigment (OLP), to filter blue light and block ultra-violet light for the ultimate in protection and performance.