How to measure the upper torso
To measure the chest size, you have to start with the bottom seam that joins the sleeve and jacket.
Then you have to go around the jacket horizontally until you return to the starting point.
To measure the torso, start from the seam that joins the hood and jacket.
[It is measured from this point down to the bottom]
The sleeve is measured from the seam that joins the sleeve with the jacket to the end of the sleeve
[start measuring from the top of the joint between the sleeve and the jacket]
The back is measured from one end of the sleeve and jacket joint to the other end.
[start measuring in the middle of the joint between the sleeve and the jacket]