It has a collar & lapel long sleeves  & pleated at the bottom. Can be worn as a dress or shirt. Runs small, so  order one size up. 
 
Size: S    Bust: 94cm/37.01 inches  Length: 78cm/30.71 inches 
Size: M  Bust: 98cm/38.58 inches  Length: 79cm/31.10 inches
Size: L     Bust: 102cm/40.16 inches  Length: 80cm/31.50 inches
Size: XL   Bust: 106cm/41.73 inches  Length: 81cm/31.89 inches
Size: XXL  Bust: 110cm/43.31 inches  Length: 82cm/32.28 inches
Size: XXXL Bust: 114cm/44.88 inches Length: 83cm/32.68 inches
please check the measurement chart carefully before you buy the item.
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1 inch = 2.54 cm