BILLI BI A4433 Black - 41 - Women Handcrafted espadrilles sandal. Rubber sole and rounded toe. High wedge heel. Decorative elastic straps. Extra comfortable. BILLI BI is an exclusive line of shoes that are characterized by sleek and sophisticated design.. Upper: elastic, nappa. Upper lining: leather. Outsole: rubber. Heel height: 7.5 cm. EUR 46.88 1