Bunions are hereditary, but they can also be caused by medical conditions, such as arthritis. Poorly fitting shoes that are narrow or tight in the toe box, or force a lot of pressure on the balls ...

Even the inner sole is wool. Tie shoes are a good choice for me as I have bunions needing roomy fronts but narrow heels. These provide that comfort. Altho I have not washed them, you can do this!" ...