Clothing is produced from various materials. They have absolutely no magical effect, but provide the wearing characters Social Utils, which are needed for a variety of social activities. As a result, they are present nearly ubiquitously even though some varieties can become exceedingly costly. However, if given the opportunity, people would prefer using one of the various dyes in place of the undyed clothing.
These are the colors of various undyed clothing materials:
Hide is obtained from certain thick-skinned animals. This is then converted to leather and then to hard leather.
Fur is obtained from furry animals. It is quite expensive.
Wool is obtained from shearing sheep.
Cotton is obtained from picking cotton plants.
Silk is obtained from silkworms. It is quite expensive.