How to stay warm at a football game?

It it supposed to be 33 degrees, but a big rivalry game and the last two times we've played them I've had to leave early from freezing. Everything I've found says to layer, but can you layer too much? I'd like to wear an under armour shirt, along with thermal shirt, and two sweatshirts... maybe a jacket too. As well as thermal pants, sweatpants, and jeans. Is it possible to do much? I won't be moving alot to generate any sweat.