Ray-Ban RB3749 Sunglasses feature a geometric metal frame and glass lenses, designed for clear optics and a modern classic look. The model is available in multiple sizes and offers adjustable nosepads for a comfortable fit. Key attributes: Gold | Blue | Metal | Glass lenses | Polarized lens option | Photochromic (Transitions) lens option | Adjustable nosepads | Includes protective case and cleaning cloth | Available in multiple lens sizes | Geometric frame | Full rim | Arista gold finish | Shiny finish | Modern classic style | Dimensions & fit: Lens width: 55 mm or 58 mm | Bridge: 18 mm | Temple length: 140 mm (size 55) or 145 mm (size 58) | Lens height: 39.0 mm (size 55) or 41.0 mm (size 58) | Available in two sizes: 55 mm and 58 mm lens widths. | Recommended for oval face shapes. | Composition & care: Frame: Metal | Lenses: Glass | Wipe lenses with a microfiber cloth and store in the included protective case.