Toe Caps:
https://www.amazon.com/gp/product/B076B56FPD/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Covers:
https://www.amazon.com/gp/product/B0829W7DX9/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
I use 20+-year-old hiking shoes, so I don't have a link for those.