Simplicity 3083; ©1949; Boys' Slacks and Jacket: A lining is optional and the front-buttoned jacket which is styled with a notched collar. Cuffs at the lower edges finish the long trousers and an elastic casing gathers in the waistline. Pockets are featured at the sides. Sizes 1 to 4 have a small fly opening and button-on suspenders. Style 1 jacket has two breast pockets with button-down flaps.