TheorySleeveless Midi Dress001 blackTheory was founded around the notion of styling versatility and this midi dress perfectly encapsulates that philosophy. Finessed with a cinched waistline to achieve an hourglass shape, the style will strike an imposing note in corporate environments when layered with a shirt or a jacket – alternatively style on its own with heels and a bag for a night out.Theory was founded around the notion of styling versatility and this midi dress perfectly encapsulates that philosophy. Finessed with a cinched waistline to achieve an hourglass shape, the style will strike an imposing note in corporate environments when layered with a shirt or a jacket – alternatively style on its own with heels and a bag for a night out.