Butterick sewing pattern 3447, Misses easy dress, sizes 8, 10, and 12. 

Fitted, straight dress has back zipper.  A, B, C: self lined, back bodice forms tie ends.  A, C, D: mid knee.  B: evening length.  B, C: side slits.  C: short sleeves,  D: button back. 

Pattern is uncut and factory folded.