A Temple garment is a type of underwear worn by members of some denominations of the Latter Day Saint movement

Latter Day Saint movement

The Latter Day Saint movement is a group of independent churches tracing their origin to a Christian primitivist movement founded by Joseph Smith, Jr. in the late 1820s. Collectively, these churches have over 14 million members...

, after they have taken part in the Endowment ceremony

Endowment (Latter Day Saints)

In the theology of the Latter Day Saint movement, an endowment refers to a gift of "power from on high", typically associated with Latter Day Saint temples. The purpose and meaning of the endowment varied during the life of movement founder Joseph Smith, Jr...

. Garments are worn both day and night and are required for any previously endowed adult to enter a church temple. The undergarments are viewed as a symbolic reminder of the covenants made in temple ceremonies, and are viewed as either a symbolic or literal source of protection from the evils of the world.

The garment is given as part of the washing and anointing

Washing and anointing

The washing and anointing is a temple ordinance of The Church of Jesus Christ of Latter-day Saints that pertains to exaltation within the Celestial Kingdom. Combined, the two ordinances are known as the initiatory, which is performed for both the living and the dead.-History:Ritual anointings were...

 portion of the endowment.