ANSI Safety Sun Glasses for Cycling, Hunting, Shooting, Running, Motorcycle Riding, Tennis, Driving and All Sports Activities. Built in sweat proof foam cushion on top of frame. Fit Medium to Most Extra Large Head Sizes. Safety Rated Impact resistant ANSI Z87.1 Polycarbonate lenses Flexible, Durable and Lightweight TR90 Frame Foam Cushion Padded on top of frame for extra comfort Fits Medium to Xtra Large head sizes. FREE deluxe microfiber cleaning case with each pair ($5 value)