Made of Nomex AP fabric 8 ozSq.yd. quality. Used in electrical arc hazardous area. Nomex®AP Button Front Deluxe Shirt * Branded, topstitched coller. Topstitched cuffs w adjustable button closures. Placket front w button closure. * Tailored sleeeve placket * Autoclaved Nomex®AP Work Pant * Innerlined waistband w button closure. Two slack style front pockets, left hip wbutton closeure * Permanent crease * Autoclaved