Heidi Non Returnable Final Sale Rib Polo Collar Midi Dress boohoo Rib Knitted Collar Midi Dress Red NA KD Heidi Non Returnable Final Sale. Style Tip: Crafted in breathable rayon, this midi dress showcases a vibrant red base adorned with floral motifs arranged in a geometric grid. The shirt collar and partial button down detail lend a refined edge, while the flared silhouette adds movement and ease. A versatile pick for day to evening dressing. Pair it with ivory sandals and a woven tote for a casual brunch look. For evenings, switch to bold earrings and strappy heels.