Gast Riva Sunglasses pair a handmade acetate frame with semi-flat nylon lenses for classic round styling and reliable sun protection. Ideal for everyday wear, they combine timeless design with practical UV defense. Key attributes: Black | Acetate | 100% UVA/UVB protection | Anti-reflective inner coating | Three-barrel metal hinges with rivets | Includes hard case and microfiber cleaning cloth | Round frame | Semi-flat nylon lenses | Handmade construction | Dimensions & fit: Front width 142 mm | Front height 44 mm | Lens width 49 mm | Lens height 39 mm | Temples length 145 mm | Bridge 22 mm | Comfortable fit | Composition & care: Acetate frame | Nylon lenses | Metal hinges | Store in the included hard case. Clean lenses with the supplied microfiber cloth.