SUN PROTECTION: The Bimini sunglasses feature durable 1.0mm Triacetate (TAC) Polarized lenses that virtually eliminate blinding reflected glare. Keep your eyes sheltered with 100% UV ray protection. DURABLE: The full lens frame has a fade-resistant finish that is tough enough to handle all kinds of weather and conditions. An integrated hinge will stand up to repeated use and last you through the day while fishing out on the boat. SIZE & STYLE: The lens width is 64mm, bridge width 17mm, and arm length 134mm. These reasonably priced glasses will help you stay comfortable and in style with either shiny black/blue mirror or shiny black/green mirror. CALCUTTA: Born in the back of a Florida tackle shop in 1991, Calcutta was created with a rebellious spirit and an ambitious goal to build hardworking gear for those with a passion for the outdoors.