Here are some shirts that would be perfect to wear these cold seasons:
http://www.ralphlauren.com/family/index.jsp?categoryId=1760809&cp=1760781&ab=ln_men_cs1_polos on the second page.
Here we have a double breasted cardigan by Calvin Klein. The way its designed provides an interesting look that should go with a lot of what you have in your closet for fall and winter. It comes in black as you see here and also gray which looks nice too. It costs $98 and is available at http://www.calvinklein.com/ under the link sweaters.
These 3 shirts are available also at http://www.calvinklein.com/ under the knits + tees link. They are now available at 30 percent off for a limited time only.