Lakeland ACIFORT Chemical-Resistant Boots. Product Features: The product complies with European CE certification and meets the EN ISO 20345:2011 S5 SRA standard. Utilizing Dunlop's Acifort technology, rubber and polymer compounds are added to the PVC material. This material technology provides enhanced physical performance, greater durability, and improved comfort. The product is anti-static, oil-resistant, blood-resistant, and resistant to chemicals such as acids and alkalis. Steel toe cap and midsole for impact and puncture resistance. Chemical-resistant outsole with cushioned heel. Additional reinforcement at the ankle for increased safety and reliability.