Packing for Texas

What does a polar bear need in Texas in December? It is Texas, do I need a cowboy hat and boots? Where will I find boots to fit me? I think that idea is definitely out. But what about a hat? Maybe I should wait until I get there and buy one there. I haven't seen many cowboy hat stores in Virginia.

Guns. Doesn't everyone in Texas walk around with guns on their hips? But She doesn't wear guns. Maybe I've seen too many John Wayne movies.

Heat. Will I be too hot down there? She says it gets cold in December. I'll probably be quite comfortable.