Simplicity 5590; ©1964; Misses' Suit with Detachable Collar: The lined jacket features a yoke which extends as kimono sleeves to just below the elbow. Jacket has a front button closing and a shawl collar with notch detail. The flaps are optional. Skirt, finished with a waistband, has darts and a side zipper closing. The detachable collar of contrasting fabric is also optional.