EN ISO 20345, Rating Standard SBP, Basic safety protection; 200 joule; Penetration resistance offered by a steel or composite midsole : 1100 Newtons; Steel Midsole, Heat Resistance to 300 Degrees C, Slip Resistance Rating, SRA - Outsole Slip Resistance BS EN ISO 20344:2004/A1:2007 (5.18); Tested on Ceramic Tile/Sodium Lauryl - Heel part 0.28; Flat Contact 0.32; Sizes 6-12