RAILS Rumi Smocked Midi Dress Black Women's S The Rails Rumi dress in black is a stylish, lightweight, cotton poplin midi dress. The dress has a square neckline, smocked bodice and smocked wide shoulder straps. Simple yet elevated, this dress is perfect for taking you from day to night with ease and the cotton-tencel blend fabric is perfect for ensuring a cool feel during the warmer days. Ruffled hem. 50% Cotton | 50% Tencel. Sleeveless. Smocked detailing. PREOWNED Excellent Condition!