Simplicity 9598; ©1971; Teen-Boys' and Men's Set of Fitted Jackets: The lined jacket with notched collar and front button closing has back vent and button trimmed long set-in sleeves. The front lining has concealed, buttonhole pocket. Double breasted V. 1 has flap pockets and a welt breast pocket. Single breasted V. 2 has button trimmed flap patch pockets and top-stitching.