black calf leather perforated detailing logo patch at the tongue round toe front lace-up fastening pull-tab at the heel flat rubber sole POSITIVELY CONSCIOUS: This Planet Conscious product is crafted with leather that has been produced in an audited and certified Leather Working Group (LWG) tannery � scored according to a three-tier system. The LWG assesses and certifies leather manufacturers that reduce the environmental impact of production.