Plus Size Rockin The Boat Costume This sexy pin-up girl sailor costume includes a navy corset style mini dress, shrug and sailor hat. The adult Rockin&#039; The Boat comes in sizes Large, Medium, Small, Plus Size 3X/4X, Plus Size 1X/2X, X-Large. Dress features flirty ruffled lightly padded underwire cups, gold trim &amp; sequin anchor applique. The matching navy shrug features a sailor collar accented with metallic gold trim. The white petticoat and gold starppy sandals are sold separately.