320gsm cotton drill fabric with flame retardant treatment/anti static grid . Brass zip fly. Brass hook and bar waistband fastening. 7 Belt loops with two vertical side seam access pockets. Cargo pockets to both legs and Internal knee pad pouches. FR & AS logos embroidered to left hip. Plain ankles. ISO11612: 2008 A1+ A2, B1, C1. ISO11611: 2007 CLASS 1+2 A1+ A2. EN1149-5: 2008 EN1149-3: 2004 Charge decay.