Safety Rigger Boot. Safety Toe Cap & Steel Penetration Resistant Midsole. Faux Fur Warm Thermal Lining. Padded Ankle. Goodyear Welted Nitrile Rubber Sole. Fuel Oil Resistant Outsole. Heat Resistant Sole To 300 Degrees C. Heel Energy Absorption 20J. Conforms to EN ISO 20345 Safety Standard. Upper: Leather, Lining: Textile, Sole: Other. Ref: UTDF633