GO UP AT LEAST 2 SIZES!!
I have a problem with sizing your items. I ordered 2 vest from you. I normally wear a large. I ordered XL. LOVED everything about them. good quality fabric, well manufactured inside and out. BUT, I would need to have a rib removed in order to wear them. I passed them on to a freind that wears a medium and they fit him. I have reordered in xxxl in the hope that I can wear them. We will see