Michael Kors St. Thomas Optical Frame pairs a classic round silhouette with an injected plastic construction for everyday prescription wear. The design emphasizes a timeless tortoise appearance and easy wearability. Key attributes: Brown | Tortoise | Plastic | Prescription ready | Full-rim frame | Injected frame | Round silhouette | Translucent tortoise finish | Dimensions & fit: Lens width: 53 mm | Regular fit | Composition & care: Plastic | Wipe lenses with a soft, lint-free cloth. Avoid abrasive cleaners and prolonged exposure to heat.