Anti-static, acid-protective and flame retardent PyroPro®. Protects from electric arcs and occasional welding arcs. Triple stitchedseams at leg and crotch. Adjustable straps in short, strong elastic with plastic buckles. Bib pocket with flap and hidden press stud. Inner pocket with hook and loop band fastening. Adjustable waist. Front pockets. Fly with zip. Back pockets with flap and hidden press studs. Thigh pocket with flap and hidden press studs. Ruler pocket. Adjustable knee pad pockets with flap and top access. Seams face downward so sparks can not get lodged in. Contrast stitching. Certified to EN 531/EN ISO 11612 (A1, B1, C1, E1), EN 533/EN ISO 14116 (index 3/50×75°C), EN 1149-3 and EN 1149-5, EN 61482-1-2 (Class 1) / tested in accordance with IEC 61482-1-1 (ATPV - 18 cal/cm?), EN 470-1/EN ISO 11611 (Class 1 A1) and EN 13034 (Type 6).