The Falda is a particular papal vestment which forms a long skirt extending beneath the hem of the alb

Alb

The alb , one of the liturgical vestments of the Roman Catholic, Anglican and many Protestant churches, is an ample white garment coming down to the ankles and usually girdled with a cincture. It is simply the long linen tunic used by the Romans...

. When it is worn, the skirts of the falda are so long that the pope

Pope

The Pope is the Bishop of Rome, a position that makes him the leader of the worldwide Catholic Church . In the Catholic Church, the Pope is regarded as the successor of Saint Peter, the Apostle...

 needs train-bearers both in front and in back whenever he walks. This form of vestment has its origins in the 15th century and earlier. It is initially made of cream coloured silk and worn over the alb and under the chasuble

Chasuble

The chasuble is the outermost liturgical vestment worn by clergy for the celebration of the Eucharist in Western-tradition Christian Churches that use full vestments, primarily in the Roman Catholic, Anglican and Lutheran churches, as well as in some parts of the United Methodist Church...

 or cope

Cope

The cope is a liturgical vestment, a very long mantle or cloak, open in front and fastened at the breast with a band or clasp. It may be of any liturgical colour....

. It can be used in papal funerals where it was draped over the Papal body when it was in state.