milla dress Petal and Pup Women's Maxi Lace transparent corset bodice with built Mila Dress - White, AU/UK

The Sweet Skies Maxi Dress Cream features a halter style neckline with thin self-tie straps, low cut neckline, front ruched bust detail and dress bodice, hugging silhouette, maxi drop skirt with high cut split hem design, lined fabric, and stretch for a slip on design

Yes, this is a look that can carry a vest well

Its perfect for travel days, workouts at the hotel gym, and even underneath a suit jacket, if the setting is casual enough

The thing is, though, I struggle with the term "casual" (speaking as someone who usually likes to be overdressed for an occasion), and I believe any dress can be made to be more casual if you style it the right way