Salvatore Ferragamo Ladies Slippers. SKU: 01D585 753927. Color: Black. Shoe Style: Slip-On. Vamp Style: Metal Hardware. Upper Material: Leather. Salvatore Ferragamo Ladies Black Calfskin Riki Gancini Bit Thong Sandals. The Rikis calfskin sandal features a slip-on style, antique gold-tone hardware, leather sole, open-toe, T-bar strap and finished with the signature Gancini bit in light gold-tone. Made in Italy. Please visit the brand website for sizing information.