Callisto of California Wedges

Woven brown Callisto of California wedges. The heel looks like cork, but it's not spongy like cork. Unknown upper material. I've had these for years and worn them a lot, so there's visible signs of use. They still have lots of life left... I'm older now and need something with arch support. 🙃 Will you give them purpose? Zoom in on pics for condition and ask if questions!