Crafted from tortoiseshell-effect acetate, the Gucci "GG1664S" sunglasses feature a rectangular silhouette characterized by sharp, elegant lines.; Eye/bridge/temple (in mm): 51-21-140; Solid-colored lenses; Saddle nose bridge; Lasered Guccissima monogram on temples; Wide, tapered arms; Acetate; 100% UVA/UVB protection; Made in Italy