65% polyester/ 35% cotton; Wrinkle resistant; stain release; StayDark technology; Hook and eye closure; Clean finish blindstitch hem (except UU sizes); The color number refers to the ladies size offered.; The ordering size refers to the inseam length. Petite (P), Short (S), Regular (RG), Long (LN), Tall (TL); Size 37UU is a 37 inch unhemmed inseam