THE WP.1 ORIGINAL WORK PANT IN KHAKI IS MADE FROM 8.2 OUNCE (295 GSM) TENSILE280(TM) COTTON CANVAS WITH DURA500(TM) ADVANCED POLYESTER CANVAS ABRASION PANELS. DURA500(TM) IS A 500 DENIER NYLON OXFORD TREATED WITH POLYURETHANE FOR HIGH TENSILE STRENGTH AND PERFORMANCE DURABILITY. DURA500(TM) PROVIDES LONG-LASTING ENHANCED TEAR AND ABRASION RESISTANCE. REGULAR FIT, TAPERED FROM THE KNEE. 8.2OZ PRE-SHRUNK COTTON TENSILE280(TM). DURA500(TM) REINFORCED POCKETS, HEELS AND KNEE PAD POCKETS. STRETCH BACK YOKE AND KNEE PANELS. DOUBLE LAYER INTERNAL POCKET BAGS. MULTIPLE UTILITY POCKETS. YKK NYLON ZIP FLY. STRESS POINTS BAR-TACKS. TRIPLE NEEDLE SEAMS.