Zenon Z12R 250-27-0027 Rimless Safety Readers with Clear Temple, Clear Lens and Anti-Scratch Coating - +2.75 Diopter This Product is ACP Technology/DuPont Kevlar Seamless Rib Knit DuPont Kevlar With Glass Fiber Polyester Due to its lightweight, rimless design and thin, rubberized temples, the Z12R is one of the best fitting readers on the market today Gray rubber co-molded temples provide a secure fit Molded nose bridge design to fit the vast majority of users