Prada PR A57S Sunglasses combine a metal double-bridge frame with acetate temples and dark grey polarized lenses for reliable sun protection and everyday wear. Key attributes: Black | Dark grey | Metal | Polarized lenses | Adjustable nose pads | Acetate temples | Full-rim construction | Squared full-rim frame | Double bridge | Logo plaque on temples | Dimensions & fit: Lens width: 58 mm | Bridge: 15 mm | Temple length: 145 mm | Composition & care: Stainless steel | Acetate | Wipe lenses with a microfiber cloth. Store in protective case when not in use. Avoid abrasive cleaners and prolonged exposure to heat.