Cutout Neckline Ribbed Knit Midi Dress in Black Retro, Indie and Ribbed midi dress with side slit Red Ribbed Midi Knit Dress WHISTLES Lace Up Ribbed Midi Dress Ribbed midi dress, Midi dress, Fashion Ribbed Knit Midi Dress Midi dress, Tube dress, Knit midi. The Ribbed midi Dress is a figure hugging, feminine piece featuring long sleeves and a front button closure. The cut out detail on the front adds a modern and sensual touch, enhancing the simplicity of the ribbed design.