Vivienne Westwood Women's Apparel Size Guide Get a captivating clue! Make a dramatic difference in the idolized image of the Vivienne Westwood™ Drape Dress! One-shoulder asymmetrical neckline. Extended long sleeves. Ruched left side. Asymmetrical bottom hem. Right-side slit. 94% acetate, 6% elastane. Hand wash cold and dry flat. Made in Italy. Measurements: Length: 41 in. Product measurements were taken using size SM.