Model is wearing a size M
Definitely one of my favorites. Gorgeous, wide leg, pleated jumpsuit short sleeves 

• Fully Lined
• Back zipper
• Wide Leg
  • Pleated
    
  • V Front
  • Hidden Zipper
  • Shell: 100% Polyester
  • Imports 
• Content: 95% Polyester, 5% Spandex 
• Size Small (4-6), Medium (6-8), Large (10-12)