Serengeti Spello Sunglasses combine a classic navigator shape with high-performance mineral lenses for clear vision on the road. Designed with rubberized temples and adjustable temples for a secure, comfortable fit during driving and outdoor use. Key attributes: Gunmetal | Black | Metal | Polarized lenses | Photochromic (light-adjusting) lenses | UV 400 protection | Ultra-light mineral lenses | Double-injected rubber temples | Adjustable wired temple core for a customized fit | Adjustable rectangular nose pads | Includes protective case and microfiber cloth | Navigator shape | Double bridge | Full-rim frame | Rubberized temple tips | Dimensions & fit: 58 x 16 x 145 mm | Medium fit | Composition & care: Metal frame | Mineral glass lenses | Rubber temple tips | Wipe lenses with the included microfiber cloth; avoid harsh chemicals; store in the supplied case when not in use.