Fire retardant trousers made from 300 gram cotton drill fabric with flame retardant treatment. Brass zip fly. Button waistband fastening. 7 Belt loops. Two vertical side seam access pockets. Plain back and hips. FR logo embroidered to left hip. Conform to:- ISO11612 A1 B1 C1 - Protection against heat and flame ISO11611 CLASS 1 A1 - Protective clothing for use in welding. Machine washable at 40 degrees C up to a maximum of 5 cycles.