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European and U. S. A standards footwear classification:
Basic safety protection:200 joule;
200 joule toecap protection, closed seat region(fully enclosed heel) , antistatic properties, energy absorption of seat region;
antistatic properties, energy absorption of seat region, plus water penetration and water absorption resistance.
Additional safety features:
Penetration resistance offered by a steel midsole: 1100 newtons;
Antistatic footwear, range 100k to 1000m;
Insulation against heat;
Insulation against cold;
Heat energy absorption 20 joules;
Water penetration and water absorption resistant uppers;
Resistance to hot contact up to 300 degree centigrade.