Description Fort Knox S3 Safety Boot The safety S3 boot with a steel toe cap and steel anti-penetration midsole. Padded collar and dual density PU sole for maximum comfort and durability. Work boots are designed with midsole penetration protection and classed as anti-static footwear. The sole is resistant to fuel oil and has energy absorption in the heel area. S3 boots features also include a textured coated scuff cap and a heel kicker. Safety boots conform to EN ISO 20345: 2011. Features Steel toe cap (protect the toes against a 200-joule impact) Steel anti penetration midsole Textured coated scuff cap and heel kicker SRC slip resistant safety boots (SRC is a combination SRA (Resistant on ceramic Sodium Lauryl Sulphate) and SRB (Steel Glycerol)) Padded collar Dual density PU sole Materials 100% Leather; Leather WRU (WRU = Water Penetration and Water Absorption Upper)