Dorian Leo Narducci Vtg 70s Floral Daisy Wide Leg Mod Sleeveless Jumpsuit Black Bonwitt Teller
wide leg- probably a size 0 or 2
14" at "waist" ( this is 12.5" from shoulder) 
16" armpit to armpit
24" width at bottom of leg
54" total length
please let me know if you want other measurements
As always, will be packaged carefully for safe delivery to you!