However, you can still put clothing on the doll, including lingerie and such, you just have to be mindful of the fabrics you’re putting on there. You should be careful about this, and you should watch out for just what is going on the skin. If you do put clothing on it, keep it temporary, and avoid darker fabrics since often you might get a stain on the skin. However, if you catch it early on, you can clean it up if you nab it right away.
Some companies manufacture cloth sex dolls using the same technology that is used to create plush toys. With widespread cultural use of the internet amongst younger generations, numerous forums exist for amateurs who create their own sex dolls from fabric or other materials. There are even mailing lists for discussing techniques and experiences with MLDs (material love dolls).