If you do not know what Kigurumi Pajamas are, then you would certainly be forgiven. Kigurumi pajamas are quite new in most western countries and are really only known by people who have a connection to Japan or are interested in Anime. Kigurumi pajamas are a one size fits all pajamas that usually have a hood. The Kigurumi Pajamas are usually in the style of an animal such as a bear, tiger or dinosaur. However, kigurumi pajamas can also be in the design of an anime character such as Pikachu or Sanrio. The hood of the pajamas are usually fitted with ears and often with eyes as well. As Kigurumi Pajamas are one size fits all pajamas, they are usually made to be worn very large and roomy. While kigurumi pajamas may not be for everyone, they would come in handy for any halloween costume party or for a pajama day at work or at school.