Switch between ankle-height and knee-high costume looks with the Funtasma GOTHAM-105 men's black vegan leather convertible boots. Black vegan leather upper Buckled strap and cuffed boot design Detachable shaft for two styling options Inner zipper with a 1.5-inch (3.8 cm) flat heel Men's US sizes: S (8-9), M (10-11), L (12-13), XL (14-15)