The Ray-Ban 601/58 gloss black polarized sunglasses for men feature polarized green lenses for better clarity on sunny days as well as a stylish, glossy black frame. This frame is constructed from a durable yet lightweight propionate plastic that gives the frame better transparency and shine. The propionate plastic is also hypoallergenic. These popular Ray-Ban sunglasses are designed with a comfortable wrap fit and a classic rectangular lens shape with the signature Ray-Ban logo engraved on each temple.