Dickies Slim Straight Pants. Featuring a slim fit, a straight-leg style, two back welt pockets, and a printed Dickies interior waistband, these pants can help boys look and feel their best. Made of our signature twill blend, this durable fabric has been constructed specifically to be resistant to stains, wrinkles, and fading. These also make great school (and after-school) pants. 65% Polyester, 35% Cotton. Machine wash. Imported