Show Me Your Mumu Barb Sweater Dress in Chunky Cable Knit. The Barb Sweater Dress paired back with your favorite booties is the essential fall 'fit we're obsessed with! Ultra soft and comfy cable knit shapes this sweater dress with a crew neckline and relaxed bodice. The easy silhouette features a tying sash at the waist before falling to a figure-skimming midi hem with a small slit. Size: Small Pit to Pit: 19" Hips: 21" Length: 52" Condition: NWT. New.