6.5 oz (11 oz linear) twill washable cotton blend fabric with 10% stretch Stretch waistband construction with silicone shirtgrip and double hooks Creaset silicone crease retention process Front quarter pocket styling Pleated double thigh pockets 2 hip pockets with button tabs Strong and comfortable cotton blend pocketing Heavy-duty nylon fly zipper with auto-lock slider Split-seam tailored construction Thigh let-outs accommodate athletic builds Extra-strength tandem-needle seat seam LYCRA stretch panel inserted in the thigh inseams