Lace-up boots - Calf leather and cotton - Black The modern and harmonious lines of the Mayr Boot play with a marriage of textures. This Maison Christian Louboutin model comes in calf leather. Its black color is embellished at the toe and on the counter with an alligator-style embossed finish. Its calf-height upper incorporates mesh at the ankle and a matching lace. Product information: Material: Calf leather Color: Black