5'11" and 175 pounds is around 38R to 40R, unless your weight is distributed very unevenly. That said, there's no substitution for trying things on in person. Remember that suit sizes only reflect what the designer imagines a person with a certain chest size looks like. That's why on the Buy and Sell boards, actual measurements of suits are almost always posted.
+1 on Abboud, based on your list provided, though fit should still ultimately be the deciding factor.