Adjustable elasticated waist, Side pockets, Knee pad pockets, Back pocket with press stud closure, Thigh pocket with press stud closure, 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