Regular and short work pants: 

Our pants are rugged 65/35 twill with brass zipper, rocap waistband, tandem stitched seat seam, and bar-tacked at all stress point and permanent press.

Lady work pants:

Our pants are rugged 65/35 twill with brass zipper, half rocap waistband with a webbed interlining, half elastic, bar-tacked at all stress point and permanent press.