Kaleos Parrado C4 Sunglasses combine vintage-inspired styling with modern photochromic performance. The standout feature is the brown photochromic lenses that adapt automatically to changing light while offering UV protection and anti-reflective treatment. Key attributes: Brown | Marrone | Acetate | Photochromic lenses | UV protection | Anti-reflective coating | Removable leather side shields | Flexible temple tips | Stainless-steel temples for strength and lightness | Round acetate frame | Translucent brown finish | Vintage-inspired modern silhouette | Technical leather side spoilers | Dimensions & fit: Flexible temple tips for superior comfort | Removable side shields allow adjustable lateral coverage | Composition & care: Acetate frame | Stainless-steel temples | Leather side shields | Photochromic treated lenses | Clean lenses with a microfiber cloth and lens cleaner; avoid abrasive cleaners and chemicals; store in a protective case when not in use.