Made of flexible, pliable PVC. Treads under sole to prevent slipping and help liquid away from the foot. Can be comfortably worn over low-heel, dress and running shoes and most boots. The TURBO TOE Steel toe cap overshoes protects the toe area from accidental impact, crushing or stubbing. Made of flexible, pliable PVC. Treads under sole to prevent slipping and help liquid flow away from the foot.