Serengeti lipari sunglassespolar phd 555nm lens shiny hematite frame product description a new addition to the popular serengeti sport series lipari packs photochromic polarization and spectral control lens technologies into an extremely lightweight versatile package specifications base curve 8 rx temple length 132 mm lens size 63 x 36 x 66 mm dbl 15 mm frame features acetate megol temple tips and nose pads