Barton Perreira Echelon Optical Frame blends a refined round silhouette with lightweight titanium and ultra-thin Japanese acetate. It’s designed for everyday wear with distinctive filigree detailing for a polished, timeless look. Key attributes: Gray | Grey | Zyl | Titanium | Lightweight construction | Anti-reflective coating (sun variant) | Includes case & cleaning cloth | Available in optical and sun variants | Round silhouette | Filigree detailing on bridge and temples | Minimalist round lenses | Ultra-thin Japanese acetate accents | Dimensions & fit: Eye size: 48mm | Bridge size: 23mm | Temple length: 145mm | Medium size (48-23) | Composition & care: Zyl | Titanium | CR-39 lens | Wipe lenses with the included cleaning cloth and store frames in the supplied case.