I found that wearing a pair of liner socks under my hiking socks was very helpful. The extra layer absorbed the friction instead of my skin. The ones I have are a nylon blend and then I wear Cool Max socks. I also put a thin layer of Vaseline on my feet. There is also an excellent YouTube...
World Nomads has quite good coverage at reasonable prices. I used them before I got out of country medical insurance through my work. You can get a quote on the website easily too. Good luck.
When I walked the Camino Frances form SJPDP in fall 2019 I called myself (not in a derogatory way, more an accurate description of myself) as the “short, slow, fat pilgrim” (I do carry a lot of extra weight but it hasn’t held me back). Plus I walked for my 50th birthday. Was I in shape...
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