When working in the garden, it is pretty certain that your clothes and shoes will get dirty. That is why you should always wear older and sturdy clothing. Here I found a tip on how to save a little money on garden shoes:
Recycling: Making garden shoes from old shoes
If shoes are already heavily worn at the heels, you can still use them as garden shoes. It is best to cut off the back part right at the sole to create a garden slipper. This is quite practical because you can slip into it quickly and don't have to worry about it getting dirty.
The right clothing for gardening in spring
Photo by Sabine, meinhaushalt.at