Ray-Ban Chris Sunglasses feature a square injected frame with grey gradient polycarbonate lenses, designed for reliable sun protection and everyday wear. Key attributes: Black | Injected | Grey gradient lenses | Category 3 lenses | Polycarbonate lenses | Square shape | Matte rubber finish | Dimensions & fit: Lens width 54 mm | Bridge 18 mm | Regular fit | Low bridge fit | Composition & care: Frame: Injected | Lenses: Polycarbonate | Wipe lenses with a soft microfiber cloth. Store in a protective case when not in use.