The '50s-inspired cat-eye shades are handmade from incredibly durable acetate produced by century-old Japanese company Takiron Rowland. Polarized CR-39 lenses are specially coated to reduce glare and provide superior optical clarity. 52mm lens width; 21mm bridge width; 145mm temple length 100% UV protection Polarized CR-39 lenses Antireflective, hydrophobic and oleophobic coatings reduce glare, repel dirt and water to ensure the highest optical clarity Acetate Made in Japan