The Oakley Polarized Titanium Whisker Sunglasses feature Oakleys thinnest wire frame, made from durable, extremely lightweight titanium. You wont feel like youre wearing anything. The adjustable frames have arm pads over the ears that keep their grip, even when you sweat. Lightweight, shatterproof polycarbonate lenses protect your eyes from the suns rays and flying objects Frisbees, snowballs. Because theyre polarized, these lenses eliminate glare from smooth surfaces such as snow or water. An iridium coating increases contrast and definition. Oakley contoured the lenses for a shaded, clear peripheral view.