kera 303DemoniaCult KERA 303 Black Stretch Vegan Leather Boots: Rock Your Style with Comfort and Edge Embrace your inner rockstar and conquer the world in style with the DemoniaCult KERA 303 Black Stretch Vegan Leather Boots.Demonia's Kera 303 Thh Hh Boot is an over the knee vegan leather boot with platform wedge sole. These awesome alternative black boots have a D-ring lace up front and a full length inside zip with adjustable straps and oversized bows.