These round double bridge are for finding fragile fossils, fashionable functional 'ffordable focals frequently foster fantastic fortune! NON-REFLECTIVE LENSES Reduces glare to prevent squinting while you're sprinting. View Details MADE FOR MEDIUM NOGGINS Just-right midsize sunnies. View Our Sizing Recommendations FRAME MEASUREMENTS Check the exact size of these frames. View Details These round double bridge are for finding fragile fossils, fashionable functional 'ffordable focals frequently foster fantastic fortune! MEET THE PHG NO SLIP We use special grip coating to construct our frame to help eliminate slippage when sweating. NO BOUNCE Our frame, with its distinguished double nose bridge feature, is snug and light-weight, with a comfortable fit to prevent bouncing while running or crushing any workout. ALL POLARIZED Glare-reducing, polarized lenses and UV400 protection that blocks 100% of those harmful UVA and UVB rays. NO DISSERTATION No one has ever given a dissertation to a doctorate panel wearing PHGs. Yet.