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.