RALPH LAUREN Womens Ruffled Floral Flutter Sleeve Off Shoulder Knee Length Fit + Flare Party Party Dress A feminine floral pattern and an off-the-shoulder silhouette lend romantic intrigue to this knee-grazing dress, which is cut from the season's lightweight crinkled cotton. A-line silhouette Intended to hit at the knee US size 8 has a 33 body length.