The Beeswift Burgan Boilersuit made from 220 gram, 99% Cotton and 1% Anti-static fibre is flame retardant and anti-static treated fabric. With flame retardant retro-reflective tape. Nordic Design. Concealed brass zip closure at the front up to the neck. This boilersuit has 2 breast pockets, 2 hip pockets (vertical access) 1 rear hip patch pocket with flap, 1 plain patch hip pocket and 1 rule pocket. A half elasticated waist on the back. Plain cuffs and ankles. ISO 11611: 2007 Class 1 A1 - Protective clothing for use in welding. EN ISO 11612: 2008 A1. B1. C1 - Protection against heat and flame. EN 1149-5: 2008 (EN 1149-3: 2004) - anti-static - Material performance and design requirements. Does NOT conform to EN ISO 20471.