Old Style C661843. Resistant to temperatures down to -40ºc. Durable welly with steel toe cap protection. Antistatic and energy absorbing heel. Waterproof polymer upper with insulation. Resistant to minerals, vegetable oils fats, blood, manure. Resistant to disinfectant various chemicals. S5-CL-SRC Safety Rating. Complies with ISO20345 Safety Standards. Lining Material: Self-Lined. Outer Material: PU. Sole Material: PU. Fastening: Slip-On. Waterproof: TRUE. Safety Category Marking: S5-CL-SRC. : Toe Protection to 200 Joules Impact. : Penetration Resistant Midsole to 1100 Newtons. : Antistatic and Energy Absorbing Heel. : Water Resistant Upper. : Upper From All Rubber Or Polymeric Material Plus P Plus Cleated Sole. : Insulation Against Cold. : Tested on a Ceramic Tile Contamination with a Dilute Soap Solution. : Tested on smooth Steel Contamination with Glycerol.