That is a big question when writing about the 17th century.
Habitants of rural France in 1650 had to use whatever was at hand, make what they needed, or barter their skills for goods. So, where did they get their shoes? As I researched their clothing for my novel, I found one type of shoe was called a turnshoe–leather sewn and then turned inside out. The turnshoe style was easier to make than those made for the nobles, and peasants could use easy-to-get sheepskin for the leather.. Getulio, a maker of historic shoes for re-enactors, renaissance fans, and movie sets, explains it all:
Jeanne Meeks ~ Fiction Author 