Protection: 100% UV protection, 98% blue light protection; Acetate Frame: Handmade Italian frames made with Mazzuccelli raw acetate for a sleek and sophisticated finish; Melanin CR39 Lens: Scratch-proof, lightweight lenses combine the optical clarity of glass with superior durability; With emerald frames and stylish tortoise shell arms, the Hardknox sunglasses offer iconic styling with a distinguished twist. :: Men > Sunglasses Size: one size.