Cementex’s dielectric footwear is made of ozone- resistant rubber. It features a nonskid bar tread outsole and a nonmetallic buckle hardware. The flexible, hand-layered construction is 100% waterproof. It is designed to protect from electrical hazards. It conforms with ASTM F1117 and ASTM F1116 at 20kV. It is made in the United States.