In black acetate, these thin, round frames are a little bit hipster and all-out cool. The lenses are both UV-protective and antireflective, offering a solid defense against the sun. Oh, and did we mention they’re designed to flatter a variety of face shapes? Cured cellulose acetate frame with stainless steel core wire; Semi-flat CR39 lenses with UV protection and AR coating in Semi-Flat Sepia Gradient Standard fit: size 51 eyewear