From the first page:
Originally Posted by zissou
The most advice I can give you is that the sizes are the actual chest measurement (will fit slightly slimmer even, since they are thick)
I have a 39" chest, and a sz38 was skin
tight and too short on me. I went with a 42 for this order.
If you guys really want to wind up with a 3A from this order, and yours is too small, put it up here for swap. I'll be surprised, though, if an equal number of people ordered too large.