Black leather Molly 70mm studded boots from ZADIG&VOLTAIRE featuring round toe, stud detailing, side zip fastening, branded insole and mid block heel. 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..