65% polyester, 35% cotton, plain, 5 oz; Light fabric for comfort in warm climate. Oeko-Tex 100 certified material; Stretch panel in the crotch, on the knee and back; Pre-bent knees; Pockets in the back; Leg pockets with bellow, zipper, pen pocket and knife pocket; Inset pockets; Inner telephone pocket; Plastic zipper fly; D ring in waistline