VTG Khaki overall dress from Xers by Fashionplate

VTG Khaki overall dress from Xers by Fashionplate Size S? (Tag is difficult for me to read) please refer to measurements for accurate fit Excellent pre-loved condition Little to no sign of wear No noticeable flaws Features zip-up front Functional button on straps High cut back Long, maxi length Wide side pockets Slits on each side Measurements (approx, lying flat): Shoulder to shoulder: 13” Armpit to armpit: 16” Waist: 15.5” Hips: 17.5” Bottom hem width: 17.5” Full length: 54” Armpit to bottom hem: 46” Arm openings: 10” Zipper length: 13” Side slit length: 25.5”