Trousers and top set. EN ISO 11612 2008 A1, B1, C1 and EN1149-5:2008 Series 3. Long sleeved top with a crew neck. Elasticated waist long johns. Moisture wicking properties. Fabric:60% modacrylic 38% cotton 2% antistatic. Single Jersey 170gsm. Flame Retardant. BS EN1149.