These side pocket pants are made from a cotton fabric for comfort. 6.5 oz twill weave 65/35 washable cotton with 10% stretch Stretch waistband construction with silicone shirtgrip Silicone crease retention process Front quarter pocket styling Double thigh pockets with SCOTCHLITE striping under pocket flap and hidden cell phone pocket and equipment tunnels Heavy-duty nylon fly zipper with auto-lock slider Split-seam tailored construction Thigh let-outs accomodate athletic builds Extra-strength tandem-needle seat seam May be home laundered or dry cleaned This version of this style is discontinued.