Bulwark PMU2 Flame Resistant Work Pant Bulwark Flame Resistant Cargo Pants 7 oz. cool touch. 45% Modacryclic/35% Lyocell/20% Aramid. Interlined waistband with hook-and-bar closure. Two utility pockets: left cargo pocket has two snap closures, right utility pocket is open. Two slack-style front pockets, two set-in hip pockets, left hip with button closure.