Be a part of the Santa Claus team with the Adult Elf Costume. Youâll look right at home making toys in the North Pole with this authentic and genuine Elf outfit. This red and green Polyester costume is great for parties, Christmas plays and festivities. It comes with the tunic and cord. Be a fun looking elf and have a load of fun with a wacky costume thatâll really inspire some holiday spirit.