Hydrowear Marburg Multi Venture Flame Retardant Anti-Static Jacket has a concealed front press stud closure with 2 chest and 2 side pockets. Featuring gas detection loop, adjustable cuffs using press stud closure and reflective striping. Made from 80% cotton/19% Polyester/1% Anti-static 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 14kA)- Box Arc testing.