Calcutta's Islander sunglasses are the perfect companion for your next island adventure. Blue mirror polarized lenses will keep you protected from harmful UV rays while you dowhatever the heck you want. 100% UV protection. Blue mirror 1.0mm Triacetate (TAC) polarized lenses. Fade-resistant frame with heavy duty temples. Stainless steel hinge will stand up to repeated use. Authentic Calcutta logo.