We have the winter radical and the two radical (though it's sort of slanted). What's two times the winter radical, if radicals are just a part of a kanji? Two times would be enough to create the entire kanji, which is also winter.
Winter is the time of year you give out presents: "one fo' you, one fo'you. And... not you, this one's not fo' you so fu’ you! (ふゆ)!