Calvin Klein CK19306S Sunglasses pair the CK19306S model with a mixed acetate-and-metal construction and a pilot-inspired silhouette for everyday sun protection and style. Key attributes: Brown | Soft tortoise | Acetate and metal | UVA/UVB protection | UV400 filter | Category 3 sunglass lenses | Double bridge | Spring hinge | Includes protective case | Pilot/aviator silhouette | Tortoiseshell pattern | Dimensions & fit: Lens width: 54 mm | Bridge: 19 mm | Temple length: 140 mm | Standard fit | Composition & care: Acetate frame | Metal components | Plastic lenses | Wipe lenses with a microfiber cloth; store in the supplied case; avoid harsh chemicals.