From GQ: "Cardigan" Is Now Spelled C-O-A-T Why have cardigans been bulking up like Dwayne Johnson all season? So they can be your outermost, always-on layer Cardigan * Nothing cozier than a chunky sweater. But remember: Chunky doesn't mean baggy.
not the "boot effect!" As a general rule of thumb, socks should match the color of your pants, not your shoes (or it creates a weird boot effect). Of course, if you want to wear statement socks, then by all means so long as they are tasteful.