CHARACTERISTIC:Electrical insulating rubber footwear type C, Class 20kV with turned down cuff. Produced by forming and vulcanization methods in moulds. Footwear should be used as worn over on other inner shoes (safe, protective or occupational) in the following sizes: 337 (adapted to the inner footwear size: 45 )APPLICATIONS:Footwear designed to work with electrical equipment of voltage up to 20 kV, in order to protect the user against the flow of electric current by the body through the feet.