Shock Doctor does really good mouth guards. You put them in hot water and then in your mouth. The plastic molds to fit your mouth. You could also get a mouth guard custom fitted at a dentist but that can get pricey.

Maternity pants can be custom fitted with the help of a good tailor.

There is a great website called http://www.herseycustomshoe.com they only do custom fitted shoes. I would recommend this website, if you do not enjoy it search you specific needs of custom fitted shoes.

One can get custom fitted bed spreads online. One way is by going to Houzz. This website offers custom bed spreads for any type of be that you have. This website is very good.

The USC football team wears custom fitted mouthguards made by Ramon Roges, director of the USC School of Dentistry Center for Urgent Care.