I bought a large for my husband and he is 6'3" and weighs 180 so he is thinner than the last time I bought a dress shirt. The neck was too big and
the chest too baggy, so knowing that, I should have ordered the slim fit for him, but  he tied his tie with a double windsor and that took care of the
large neck. The collar was perfect for that bigger knot. I love Van Heusen shirts. That is all my husband wants to wear. The fabric was smooth
and ironed up beautifully. For the price, you can't beat it- just make sure you are ordering the right size. I didn't check and that is my fault.