FABRIC 60% cotton | 40% polyester | Ripstop | 7oz REINFORCEMENT CORDURA® reinforced nail pockets, back pockets, ruler pocket , leg pockets, knees, hem, reinforced side pocket for ruler tape | CORDURA® leg bottoms DETAILS Metal zipper fly | Loops (one with D ring) | Inside leg seam with double stitching | Blaklader embroidery back | Stretch panels in crotch | Pre-bent knees POCKETS Back pockets with bellow | Leg pocket with pen pocket, extra pocket and telephone pocket, | Thigh pocket with zipper | Knee protection pockets with two placement level options and velcro closure | Side pockets | Ruler pocket with extra pocket | Ruler pocket with pen pocket FINISH Adjustable leg hem with drawstring REFLEX Apx. 2.75″ wide 3M reflective tape | Reflective tapes around legs FITS WITH Knee pads 4011 and 4012