if i remember correctly,,,,,,,,,,,,,,,,,,,,,,,
we own the same waders, or
perhaps not. but anyways~~~~
something that my sports chiro told my wife to do for
tender heels. my heels(soles) have been sore lately.
take a golf ball and roll it around, barefooted, under the sore areas.
you are breaking up the capillaries that get "tight". worked wonders for my heel, sole, arch. hope this helps?
i also do the ankle circles, both directions, to keep things loose and flexible almost everyday.
that is more a function of yrs on me feet at work. heal well,,,,,,,,,,or, be well heeled 
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