Can typically be identified thanks to the attire's characteristics: a red coat with white fur trim, a white cape, a small Christmas wreath with a bell in its center, a brown satchel, black gloves and boots, and a wreath on his head. May be accompanied by Elice, whom he is featured with as a duo unit.
May be depicted with his weapon: a bow that resembles a Christmas tree.
Note that it's possible (especially for older artwork), to depict Marth in a winter outfit without it being the one described above, in which case this tag should not be used.