As promised, it looks like new Avatar clothing will be making its way to the Avatar customizer in the near future as an ad on the Xbox 360 dashboard's "Spotlight" channel advertises fresh duds.
The Spotlight ad (photo above) promotes new ski and snowboard apparel stating that the content is "available now", though the items aren't available quite yet. Once clicked, the ad brings you to the Avatar customizer where, sadly, no new snowy clothes are to be found. Keep your eyes peeled though, we expect the new (and free) winter apparel to go live rather soon.
[Thanks, Sgt Quackers]