First of all the teaching comes from New Testament scripture not Old Today that type of dress is typical for Oneness Pentecostalism or Holiness which is already mentioned in the 1960 present sub section Also there are some groups that teach and dress that way that aren t Pentecostal And incidentally all 3 of those denominations above plus the Church of God Cleveland Tennessee and others came out of the Holiness movement and originally did dress that way but changed between the late 60s to the early 80s depending the particular group