Wool socks are great but it's true that to keep your feet warm cover your head. Like this:

http://www.teamestrogen.com/product/...1-c44-c46.html

Also I don't like carrying different sets of gloves. My current favorite gloves are Giant full finger gloves. But if I felt a need to carry both it's standard fingerless and a nice light set of glove liners to put over them.

http://www.teamestrogen.com/prodIB_6594.html