Greetings! I am a parent of a class of 2014 wildcat (guy) from the South where our winters are relatively mild. We are trying to order a coat appropriate for the windy, icy winters at Northwestern. Needless to say, any coat we find locally will not be warm enough, sooo - any recommendations on what to buy, what not to buy, etc. in terms of being comfortable walking to and from class from the NU vets out there? Thanks in advance for your help!