In the camper and around the camp site, I wear a pair of slippers from LL Bean.
I wear them with socks. They are extremely comfortable. I have worn them to the store to grab a few things, although the wife and kids usually give me a hard time when I do. I wear them on a daily basis and have gotten several years use out of them. I am on my 2nd pair in about 10 years.

Normal footwear are Merrell's Moab Ventilator Hiking shoes. They are extremely comfortable. Great shoes. First pair lasted over 2 years.
I'm not a big fan of sandals, I usually only wear them at the beach or pool.
I have found the best for keeping clean and odor free don't have a leather or cloth foot pad. I prefer the below type of sandal:

-Michael