Tortoise/Blue Diego SunglassesDiego is a bold, vintage inspired frame reworked from 60s Safety Series sunglasses into a refined, modern silhouette. All Oscar Deen frames are made from Mazzucchelli acetate. They're Italian and have been top of the game since 1849. While our lenses are made from organic plastic. A combination of light weight and optical clarity Acetate frame in tortoise tone Blue tinted lenses Clean, contemporary silhouette Lightweight and comfortable Subtle,