For punchcard & electronic standard gauge machines, with or without a ribber. The jacket is knitted sideways in one piece from left front to right front. Sleeves are knitted separately, and the cuffs and welts are attached last. Pockets with vertical openings are optional, and are knitted with the jacket body. Instructions for ribbed or fairisle welts & cuffs. To fit sizes 30 - 52 inches (garment measures 34 - 56 inches)