Large Volume cotton shirt with drawstring bubble sleeves cotton shirt extra large volume shirt lattern sleeves blouse over size shirtThis top made by cotton. it has draw strings, you can pull the drawstrings up to create volume. the back collart has 2 buttons, and it is not good for neck circumference over 33cm 13" model is usually US XS S , this is a shirt with great volume, make sure you like this design of volume. the shirt size is good for US S and if you are US M or L , just make sure neck circumference, other measurements will fit since it is really loose and roomy. it is off