Vienna Sheath Dress Luxe Flex Suiting :: Bright Olive M.M.LaFleur Part Two Clothing Latest Collection Available JoJo Boutique Vienna Sheath Dress Luxe Flex Suiting Black M.M.LaFleur Winston Dress Luxe Flex Suiting :: Dark Emerald M.M.LaFleur. The Valencia is one of those dresses you??? d spot on the likes of Olivia Pope, Claire Underwood, Alicia Florrick, etc. In other words, this mockneck style is meticulously tailored and knows how to command a room. Our luxurious Flex Suiting fabric is simultaneously comfortable and structured, while the cross front slit provides understated elegance. Made in Portugal with fabric from Portugal.