The only real boot solution for concrete work, protecting construction workers who are involved in structural work. Based on a modified Dunlop? Acifort? compound, with a higher concentration of added polymers and nitrile, the boot offers an excellent resistance against bases that are found in concrete chemicals. The dense compound protects against protruding objects and the rigid outsole offers extra comfort and protection when walking on concrete formwork . Ankle protection and reinforced heel area assure safety in all directions. Unique rib-design additional protection. Resistance to: various chemicals found in concrete. EN ISO 20345:2011 SB P A FO AN SRA.