Ray-Ban Clubmaster Classic is a 1950s-inspired browline sunglass that pairs a cellulose acetate frame with crystal green lenses for a distinctive, timeless look ideal for everyday sunwear. Key attributes: Black | Nero Opaco | Cellulose acetate | Crystal lenses | Green lens tint | Browline frame | Retro 1950s silhouette | Matte finish | Green crystal lenses | Dimensions & fit: Lens width: 51 mm | Bridge width: 21 mm | Temple length: 145 mm | Lens height: 43.9 mm | Regular fit | Composition & care: Cellulose acetate | Crystal lenses | Spot or wipe clean.