Clogs are a type of footwear that has a thick, rigid sole typically made of wood, although in American English, shoes with rigid soles made of other materials are also called clogs.
Klompen from the Netherlands
Wooden soled type English clogs
Overshoes type of clogs (pattens) with leather turnshoes (German), reconstruction of the Middle Ages
This cowherd appears to be wearing thick white wool socks and black leather turnshoes under her wooden overshoes, which are eased.