Ray-Ban Liteforce Sunglasses feature a lightweight, flexible Liteforce PK001 frame and UV400-protected polycarbonate lenses for reliable sun protection and everyday wear. Key attributes: Black | Liteforce PK001 (thermoplastic) | UV400 protection | Lightweight and flexible frame | High-impact polycarbonate lenses | Includes protective case | Includes microfiber cleaning cloth | Square shape | Full-rim frame | Ultra-thin temples | Dimensions & fit: Lens width: 62 mm | Bridge: 13 mm | Temple: 140 mm | Lens height: 40 mm | Total width: 140 mm | Weight: 18 g | One size (62-13-140) | Best for medium to wide faces | Composition & care: Frame: Liteforce PK001 (thermoplastic) | Lenses: Polycarbonate | Wipe lenses with a microfiber cloth; store in the included protective case.