Size Medium Pre-Owned Condition Effie's Heart Fit and Flare Belted Dress is a knee-length, sleeveless dress made of pima cotton and spandex. The dress features a round neckline, pullover closure, and stretch fabric. It also has pockets and a belted waist. The geometric pattern and retro style make it a perfect dress for summer and spring. The dress is machine washable and comes in a size medium.