Designed for Spring/Summer Optical 2018 collection, Numero 37 Nero is a well-balanced shape inspired by classic retro frames of the 1950s. This all-metal model features rectangular lenses, high nose bridge and slightly arched upper line, hand-crafted entirely out of milled metal. Prescription lenses not included.The box contains a hard case and a cleaning cloth. Size: R / L Lens Width: 49 / 51mm Frame Front: 132 / 136mm Frame Side: 145 / 145mm Product Code Size R: MIS Product Code Size L: U8D