Underwear set for welders, navy 3XL

Underwear set. Long sleeves tee-shirt. Long Johns.
Stitch 60% Modacrylic 39% Cotton 1% Antistatic fibre 210 g/m².

EN ISO 13688:2013/A1:2021 General requirements for protective clothing.
Protective clothing - clothing to protect against heat and flame.

EN ISO 11612:2015 Protective clothing - clothing to protect against heat and flame.
A1, A2 Limited flame spread (from A1 to A2, X=not tested)
B1 Convective heat (from B1 to B3, X=not tested)
C1 Radiant heat (from C1 to C4, X=not tested )
X Projection of molten aluminium (marking D1 to D3, X= not tested)
X Projection of molten cast iron (from E1 to E3, X=not tested)
F1 Contact heat (from F1 to F3, X=not tested)
Electrostatic properties - Part 5: Material performance and design requirements

EN1149-5:2018 Electrostatic properties - Part 5: Material performance and design requirements
Surface resistivity inferior or equal to 2.5x(10)9 Ohms on one surface at least following EN1149-1
t50 <4s or S> 0.2 by method 2 (charging by induction) of EN1149-3
Protective clothing against the thermal hazards of an electric arc.

EN61482-2:2020 Protective clothing against the thermal hazards of an electric arc.
APC class 1 Electrical arc protection class of materials and garments (APC 1=4kA or APC 2=7kA).
CAL/CM² 5.4 cal/cm² Arc Thermal Performance Value (cal/cm²) .