The Servus Super Dielectric Overshoes are designed to provide electrical hazard protection, meeting ASTM F2413 EH standards. This model, made by Servus in the United States, is specifically sized for men's shoes (13) and offers excellent safety for those working in electrical environments. With a focus on quality and protection, these overshoes are a reliable choice for those seeking reliable personal protective equipment.They appear to be very gently used if that at all.