Free People Oasis Midi Dress in Black. - size S (also in XS) Free People Oasis Midi Dress in Black. - size S (also in XS) 100% cotton. Fully lined. Semi-sheer fabric with ruffle trim. Smocked bodice with drawstring neckline. Side seam slits. Imported. FREE-WD1675. OB858270. Free People invokes a spirit of femininity and creativity. Throughout their line of sweaters, tees, dresses and more, each piece incorporates a high level of quality and originality that reflects their adventurous it girl. With all that's constricting in the world today, Free People says your clothes don't have to be. Be yourself, be creative, be free.