In a short, relatively text-free section of the most recent update to the Shroud of the Avatar website, Portalarium revealed three additional outfits for the male avatar, which have been developed by Geoff Mellon, Isaac Oster, and Kevin Wells:

It should be noted, I suppose, that the plate armour kind of parts ways with the more realistic medieval aesthetic that Shroud of the Avatar has been working to maintain, for the most part, thus far.