Knitted and Cotton Poplin Midi Dress in Black Cotton Poplin Tie Waist Midi Dress Banana Republic Belted cotton poplin midi dress in white Alaia Mytheresa Curves Black Cotton Poplin Mix Long Sleeve Midi Dress New Look. Channel Riviera vibes with our Threadbare black ruched waist wrap dress. With a ruched, cinched in waist that has mock self ties at the sides for elevated detail, this cotton poplin sleeveless midi dress has a deep V neck and ruching detail on the shoulders. Cut in a wrap style, there's plenty of fullness in the skirt for a feminine flow. Made from 100% cotton poplin, making it perfect for easy summertime wear. Team with a pair of espadrilles and sunnies and you'll be looking like a true jetsetter.