Sleeved blanket
A Sleeved blanket is a body-length blanket with sleeves. It usually made of fleece or nylon material. It is similar to a bathrobe but is meant to be worn backwards. The product has been marketed by various brands.
Sleeved Blanket Media
Spectators attempting to break the Guinness World Records record for the "largest gathering of people wearing fleece blankets" at Angel Stadium of Anaheim on April 6, 2010.