Simplicitty 9509; ©1980; Boys' and Teen-Boys Pajamas in Two Lengths: The pajama top has front button closing, set-in sleeves and patch pocket. V. 1 & 2 have notched collar. V. 1 & 3 have long sleeves. V. 2 & 4 have short sleeves. Collarless V. 3 & 4 with "V" shaped neckline have top-stitching trim. The long pants V. 1 & 3 and the short pants V. 2 & 4 with elastic waistline casing have fly front closing with snap fasteners.