Cutout Halter Neck Knit Dress and Cardigan Set in Black Boho Chic, Indie & Romantic Fashion Boutique I thought the cardigan over a halter dress was a mistake on ThredUp's part. Then I saw it again, and again, and again, and realized it is just a really awful design : Knit Halter Dress Long Sweater Cardigan Set DRESSVY XLH FASHION] #196 Knitted Dress Women's Slim Fit Slimming Halter Lazy Cardigan Two Piece Suit with a Shawl Lazada PH Women's Two Piece Sweater Set Cotton Blend V Neck Cardigan Jacket and Halter Dress Mid Calf