DU PONT NOMEX - TWO WELTED HIP POCKETS, POCKET FLAPS ON HIP POCKETS WITH VELCRO CLOSURE, TWO PLEATED CARGO POCKETS WITH HOOK AND LOOP CLOSURE ON FLAPS, REINFORCED KNEES, WAIST ADJUSTABLE WITH HOOK AND LOOP TAKE UP TABS, OUTSEAMS AND SEAT SEAM ARE REINFORCED BY DOUBLE TOPSTICHING ENTIRE LENGTH, WAIST BAND CLOSES WITH BUTTON/BUTTONHOLE, VELCRO TAKE UP STRAPS WITH METAL LOOP RING AT LEG BOTTOMS, NOMEX RIPSTOP POCKETING, BRASS ZIPPER WITH NOMEX ZIPPER TAPE, SEWN THROUGHOUT WITH NOMEX THREAD. FROM TOPPS SAFETY APPAREL INC.