65% polyester/ 35% cotton; Resists wrinkles; Easy care stain release; Fade resistant; Sits slightly below waist; Premium construction through rise for shape and comfort; Stretch interlining in waistband for comfort; 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