Simplicity 2537 dated circa 1958. Half Size Slenderette - Misses' and Women's Blouse, Shorts and Skirt: Sleeveless blouse has low square neckline and button front closing with a band. Shorts have zipper side closing and may have a pocket in the right side seam. Skirt, softly pleated at front waistline, gored in back; has button front closing with and applied band.