|The following is based on Fallout Shelter and some details might contradict canon.|
The pilgrim outfit is black with a white collar, socks and cuffs. Male wearers have a black hat while female wearers have a white bonnet. It provides the wearer with a bonus of 3 to Charisma and 2 to Intelligence.
- Found by dwellers exploring the wasteland
- Found in lunchboxes
If successful attempt disassembly of outfits you can get junk:
Pilgrim outfit (1)
Free space in the storage room
Baseball glove (4)
Teddy bear (1)
The outfit was added in the 1.2 update, two weeks before the start of the winter 2015 holiday season, with events like Halloween and Christmas coming up.