15 Sustainable Formal Dresses that Will Turn Heads Conscious Fashion Collective Day Dress with Shoulder Ties and Smocked Bodice Large Rafaella Organic Cotton Off Shoulder Midi Dress Caviar Black Immaculate Vegan Fair Indigo Women's 100% Organic Pima Cotton Ballet Neck Dress Secret Mission Women's Kristina Dress Brown Size M Brown Leopard Introducing the Black Posy capsule the little black dress, reimagined. Four dresses, cut in silk and organic cotton, brought to life in our moody, watercolour posy print soft, blousy florals