Walls Men's Flame Resistant Core Work Pant 88% Cotton/12% Nylon Imported Machine Wash Arc rating atpv-12.7cal/cm2 hr. Level 2 9 Ounze. 88 percentage cotton/12 percentage high tenacity nylon twill Button closure at waistband Garment fabric and trims are nape 2112 up certified 2 front swing pockets and 2 welt hip pockets (right with button closure)