I layer my gloves too. I use some generic liner gloves (size medium) like these:

http://www.probikekit.com/display.php?code=X0199

Then some CLC High-Viz mechanics gloves (size large):

http://www.toolking.com/clc-128l-hi-...LAID=612979057

Works down to about 30F and are not very bulky. I can wear either glove by itself.