Ray-Ban Square Sunglasses (RB4387) combine a classic square silhouette with green lenses and reliable UV400 protection, ideal for everyday sun coverage and prescription adaptation. Key attributes: Black | Green | Nylon | UV 400 protection | Category 3 lenses (strong sunlight) | Compatible with prescription lenses (RX-able) | Includes original case and microfiber cleaning cloth | Lightweight frame | Square frame | Full-rim construction | Gloss finish | Dimensions & fit: Lens width: 56 mm | Bridge width: 18 mm | Temple length: 145 mm | Lens height: 49 mm | Regular fit | High bridge fit | Composition & care: Nylon (frame) | Polycarbonate (lenses) | Wipe lenses with a microfiber cloth and lens cleaner. Store in the provided case when not in use.