Out of Office. Loulou is new this season in a classic lightweight woven cotton poplin for a lived-in look and feel. This mini shirtdress features a spread collar, partial button-front, long sleeves, left chest pocket, tucked waist with an elastic back, and a fully lined A-line skirt. Shown in White and Hazelnut. DETAILS: Cotton Poplin | 100% Cotton Fit is True to Size Machine Wash Cold | Gentle Cycle | Lay Flat to Dry