Dickies Proban Flame retardant Overall FR4869. Conforms to EN11612 A1+A2, B1, C1, F1 Flame retardant. EN11611 Class 1, A1+A2 Welding (Molten Metal). 330gsm 100% cotton drill with Proban flame retardant finish. Can be industrially laundered at 75 degrees C to 50 washes. Two chest patch pockets with concealed single stud flap. Reinforced stress points. rear pocket & rule pocket. Concealed stud front. Cuffs with stud closure. Studded neck closure. Side swing pockets in self fabric, side access. This fabric has proved itself over the last 50 years! Reliable workwear clothing.