Simplicity 9126; ©1979 Teen Boys' Shirt, Pants and Reversible Vest: Top-stitched shirt has front band, yokes, collar and collar band, pockets and flaps, set-in sleeves and shirt-tail hem. Front and flaps fasten with buttons or snap fasteners. V. 1 and 2 have long sleeves. Top-stitched pants with fly front zipper has back yokes, yoke and pockets, button or snap fastened waistband and carriers. V. 1 has piping trim. Reversible vest has top-stitching.