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