Overshoes, waterproof socks: Both? Neither and just get wet?

hippy RPM: The adidas toe warmers I have keep a lot of that chilled air out of vented clipless shoes.
They should be cheaper and less of a pain than full booties.
Don't keep your feet dry though.

I've got the very same. Seem a bit crude when you have to cut out the hole in the bottom yourself, but they make enough difference on all but the coldest days.