Conventional advice and mostly correct (or at least not misleading). i was surprised to learn that most hikers prefer goretex lined boots. A good many with whom I have communicated feel there is little or no advantage to goretex. I have a pair of heavy boots with goretex. They were good to wear when the lining was new, and just as good, or better, when a lot of use had shredded the liner.
He would have done well to discuss more fully characteristics of boot soles. The type of tread, amount of overhang, and sole rubber stickiness are fairly insignificant on most trails, but become extremely important when walking off trail. I would also appreciate inclusion of "approach shoes" as an important category. For me, they are extremely versatile, workable for everything from trail hiking and bike riding up to lower level grade 5 rock climbs.
I think the article is right on in the discussion of boot height versus ankle sprains. It seems to me that the critical variable is good conditioning, not boot height.
And yes, fit is all important. Some brands fit some people well, and others not at all. I rarely buy boots mail order and much prefer to go to a good store.
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Geezer in Chief