Marie Jeanette de Lange chaired the Vereeniging voor Verbetering van Vrouwenkleding (Association for the Improvement of Women’s Clothing), which championed hygienic, loose-fitting, natural clothing that allowed women greater freedom of movement. In February 1900 she posed at home, dressed comfortably, for Jan Toorop. Using tiny dots of colourful paint, he created a sparkling portrait of a modern woman on the threshold of a new century.