Salvatore Ferragamo | Accessories | Square Sunglasses | Poshmark。Salvatore Ferragamo SF764SL oversized oval sunglasses. They feature a tortoiseshell acetate frame with brown gradient lenses and a distinctive gold-tone detail at the hinges. Product Details Brand: Salvatore Ferragamo Style: Oval, oversized frame Frame Material: Acetate Frame Color: Tortoiseshell Lens Color: Brown gradient UV Protection: Lenses typically offer 100% UV protection. Details: The temples (arms) feature a subtle textured pattern and a gold-tone metal ring detail at the hinge. The textured part of one of the arms has some wear--see pictures. Otherwise they are in very good condition.