Black leather Right Nina leather loafers from CAMPER featuring pebbled texture, round toe, slip-on style, branded insole and flat 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..