|The following is based on Fallout Shelter and some details might contradict canon.|
'Tis the season to prove Santa still visits your vault - even if it doesn't have a chimney.”— In-game description
The Santa suit is a red suit with white trim, and includes a red hat with white trim. It provides +3 perception and +2 charisma to its wearer.
- Found by dwellers exploring the wasteland
- Found in lunchboxes
The outfit was added with the 1.2 update, two weeks before the start of the winter 2015 Holiday season, with events like Halloween and Christmas coming up.