Such wooden overshoes, pattens, were commonly worn out of doors and should worn together with the shoes to complement and protect them.
The rich could afford a variety of ornamentations like stamped flower patterns and coloured embroidery like here:
Nowadays it’s still pricely to buy a pair of fancy handmade pattens!
13th – 15th century
Plain strap £120.00
…… right you can buy them, or create them yourself which I would prefer.