Why in the world was cliff huxtable and other of his members in the family wearing hot sweaters on the show, i dont know if it was that cold they were living in brooklyn,new york thought it would be hot lol ???

https://www.youtube.com/watch?v=n3eJkf4erbI
https://www.youtube.com/watch?v=n3eJkf4erbI
https://www.youtube.com/watch?v=n3eJkf4erbI
https://www.youtube.com/watch?v=n3eJkf4erbI