These ankle boots by ASOS Collection have been made with a leather-look upper and a resin sole. The details include: a smooth upper, a side zip fastening, a pointed toe with a contrast toecap, a slim sole and a high heel. ABOUT ME Upper: 100% Polyurethane. Lining Sock: 100% Polyurethane. Sole: 100% Resin. Heel Height: 11.5cm/4.5"