7 1/2 oz. Rugged Twill - 65% Polyester/35% Cotton. Wrinkle resistant. Generous fit. Heavy-duty brass 2-way front zipper. Bi-swing back, double tool pocket on left leg, rule pocket on right leg, and hammer/tool loops. Concealed snaps at waist and neck. Extra large back pockets.
4 oz. Warp knit. 98% Texturized polyester filament yarn / 2% Carbon suffused nylon filament yarn. Industrial wash. Do not use chlorine bleach. Refer to Technical Bulletin RK-59 before processing. Concealed single nickel plated zipper, gripper at neck. Stand-up collar. Two set-in front pockets, two breast pockets, two patch hip pockets, one-piece rule pocket. Safety stitched mainseams. Action back. Sized to be worn over clothes.