FEATURES of the Maui Jim Legends Polarized Sunglasses Perfect for: Legends offers the classic appeal of a vintage frame perfect for everyday use Design: A contemporary twist on a clean, classic look Shape: Vintage-inspired frame shape Material: Metal/Nylon Combination Finishing Treatment: Antique metal treatment, with contrasting nylon accents Hinge: Anti-corrosive spring hinge Bridge: Saddle style fixed bridge