I’ve experienced it several times in my life. A very unpleasant thing to deal with. These were recommended to me, and may have saved my sheep hunt. A fix for “plantar fasciitis” is not overnight, it takes time.....thankfully I had a few months to get well prior to my hunt! memtb
https://www.bauerfeind.com/b2c/Insoles-by-ViscoSpot/ViscoSpot®--1-Pair-/p/YPBF_EVI_VISCOSPOT