Simple yet chic, these silhouette Tinted readers will match any outfit of the day. UV 100 Protection Highest Quality Scratch-Resistant Aspheric Lenses: thinner and light weight Premium Polycarbonate: technology that provides a sturdier frame Spring Hinges: for maximum comfort and flexibility  Sizing:  Lens width: 52mm  Bridge: 20mm Temple: 141mm Lens are an all around strength  Olivia | R-3010-C1-SR Black / Tortoise