NWT Mellaris | Hot Pink Sheath Dress, US4. Retailed $250. This hot pink dress is a sheath-style garment from Mellaris, a British brand known for its tailored designs. Design: It features a V-neckline and sculptural, tiered flounce or flutter short sleeves. Silhouette: A fitted, knee-length sheath or pencil dress style with tailored paneling through the bodice Material: Typically crafted from high-quality crepe fabric, which often includes a slight stretch for a slimming fit