Oliver Peoples Mr. Federer II Sunglasses offer a timeless silhouette in a durable acetate frame, designed for comfortable everyday sun protection and refined style. Key attributes: Black | Acetate | Classic frame shape | Low-profile temples | Composition & care: Acetate | Wipe lenses with a microfiber cloth. Avoid abrasive cleaners and prolonged exposure to heat. Store in the protective case when not in use.