The UGG x Willy Chavarria Otzo Clogs reinterpret UGG's relaxed clog through Chavarria's signature slouched proportions in black leather. Defined by an open-back construction, engraved rear plaque and lightweight EVA sole, the silhouette gives UGG's familiar ease a distinctly Chavarria finish. in collaboration with Willy Chavarria black slouched leather open back back engraved willy chavarria plaque eva sole