Ray-Ban RB3721 Sunglasses pair a square metal frame with brown gradient lenses for everyday sun protection and a refined, versatile look. Key attributes: Brown | Gunmetal | Brown Gradient | Metal | Gradient lenses | Adjustable nose pads | Square frame | Metal frame | Dimensions & fit: Eye length: 59 mm | Bridge: 17 mm | Arms (temple length): 145 mm | Lens height: 44.5 mm | Standard fit | Composition & care: Metal | Polycarbonate