Porsche Design Sunglasses P8616 D Brown Red Grey Blue Prescription Calvin Klein Sunglasses CK18531S 001 Polaroid Calvin Klein Sunglasses CK18531S 001 Black Grey are a round style with a plastic frame front and temples which are embellished with the Calvin Klein logo These feature a perfectly round lense encased in a thick acetate frame and a tidy double bridge Porsche Design Sunglasses P8616 D Brown Red Grey Blue are an ultra lightweight design with a truly unique and perfectly engineered look with unusual bridge detailing and sweeping curved semi rimless frame for a very modern urban style typical of Porsche Design