CONFORMS TO EN ISO 20345:2011 S3 HI CI AN HRO SRC PREVENTS RISK OF Slipping, antistatic, nail penetration, toe injuries, sprain injuries, contact with cold PRIMARY ENVIRONMENTS OF USE Harsh environments, dirty environments, metal-free requirements for shoes, environments with risk for outsole penetration, warm surfaces, outdoors, environments with explosive risks, cold environments, moist environments, slippery environments, oily and greasy environments