Whether you're going for a casual or classic look, this black cotton-blend ruffle skirt midi dress from 3.1 Phillip Lim will match perfectly in either way. Designed with a pretty feminine ruffle skirt, this dress breathed elegance. Switch the sneakers for the heels, and you're good to go. Featuring a round neck, short sleeves, a fitted waist, a ruffled design and a mid-length.