EXCEL FR® Flame-resistant, 12.5 oz./yd² (425 g/m²), 100% Pre-Washed Cotton Denim; One-piece waistband with button closure; Five jean style pockets; Two-needle felled seam construction; Straight fit sits just below the natural waist and has a straight thigh and leg opening that will fit over boots; Industrial Laundry - Heavy Soil, Industrial Laundry - Light Soil, Home Wash; CAT 2 Arc Rating ATPV 18.0 calories/cm²;