NWT($495) Rachel Roy Detailed Back Black Crepe Dress size 0 Excellent!
Slight Ruching at Sides in Waist Area for a Great Fit.
76% Triacetate & 24% Polyester
Detailed Back Pleats at Waist-see 3rd photo
Beautiful dress 
Measurements: Laid Flat-Armpit to Armpit-appx 16" ( has more room through the bust area [pleated part] of dress)
Laid Flat-L-appx 40"