Brand new back-zip top from Topline Designs by Elaine, approximately a Women's Medium. This is a unique piece done on a polyester blend fabric with several inches of supported stretch. 
 
Measurements
Bust 36/40"
Waist 30/34"
Hips 38/42"
Arms 25"
Shoulders 16"
Back Length to zipper 21, to bottom (no strap) 23.5"