100% Nylon with twin stitched fell seams.YKK zip. Stretch material in back incorporating length adjustment. Kneepad pockets. Nineteen pockets in all, including 4 tuck-away swing pockets (1 with 3 tool/pen pockets), 2 front patch pockets, 2 chest pockets (1 with 3 tool/pen pockets), 2 glove pockets, 2 hammer loops, 2 knife buttons, rule pocket on each leg (1 with extra external pocket).
