Help! What is this type of dress called? The fabric is sewn in a sort of upside down v below the bust. Is there a specific term for this era that it comes So I chose this dress because it sticks out. Her bust line is really shown in this dress which helps because this specific character represents Sarah's sexuality and how awkward it is. How to Measure a Dress?. Before we start with the measuring, lay by Sizely Medium 1970's Mail Order A line Dress Pattern with Diagonal Accents Bust 38 Backroom Finds