i NORMALLY WEAR A XL BUT ORDERED AN XXL AND IT FITS, i JUST WISH i HAD MORE ROOM. THEY ARE UNDERSIZED AND YOU NEED TO MAKE THEM BIGGER. I DON'T HAVE A BEER BELLY AND ITS STILL SNUG AROUND THE CHEST. I SHOULD HAVE WENT WITH A 3X. NEXT TIME. IT IS VERY WARM AND THE FLEECE LINING IS GREAT. I ALSO WISH IT HAD SIDE POCKETS BEHIND THE DROP IN FRONT POCKETS. I NOTICED YOU DID HAVE SOME LIKE THAT BUT I WANTED THE ZIPPER AND THE SNAPS.