Concealed zip closure with press studs fastening, 2 chest pockets complete with flap and press stud closure, Gas detection loops for positioning of antennas, cables and detector, Elastic waist, 2 Side pockets with press stud closure, Back pocket complete with flap and press stud closure, Backpleat for free movement, Thigh pocket with flap and press stud closure, Ruler pocket, Adjustable cuffs and leg opening with press stud closure, Main seams triple stitched, Reflective striping, 80% Cotton, 19% Polyester, 1% Antistatic fibre,260 gsm Twill, Conforms to the following standards:, EN ISO 13688:2013 Protective clothing general requirements, EN ISO 11612:2010 (A1 B1 C1 F1) Protection against heat and flame, EN ISO 11611:2008 Class 1 Protective clothing for use in welding, EN 13034:2005+A1:2009 Chemical protective clothing (type 6), EN 1149-5:2008 Anti Static material performance and design requirements, EN 61482-1-2:2008 (Class 1=4kA)- Box arc testing