Mens style, EXCEL FR Flame resistant, 7 oz., 100% Cotton. Home Wash and Industrial Wash. Two Piece, Lined collar, One piece lined cuffs w/ button closures. Hemmed front w/ button closure, Sleeve vent. Arc Rating ATPV 7.7 calories/cm2. sku: SEW2 Mens L/S EXCEL FR Flame Resistant Button Down Shirt, brand: Bulwark