Barton Perreira Norton is a handcrafted round frame offering a refined keyhole bridge and understated everyday style, built for reliable daily wear. Key attributes: Chestnut | Zyl | Includes case & cleaning cloth | Keyhole bridge | Round lenses | Handmade in Japan | Dimensions & fit: Eye size - 48mm | Bridge size - 19mm | Temple length - 148mm | Composition & care: Zyl | Wipe lenses with the included cleaning cloth and store in the provided case.