Itīs not a matter of personal preference. Different companies have different shapes of shoes. People have different shapes of feet. Either the shapes fit your foot or the donīt. Lowa makes boots that fit my feet. A coworker finds a different brand comfortable. Needless to say that I canīt wear his brand for hiking vice versa.
I usually limit the number of boots I try in one session. After a few uncomfortable boots even the ones with a good fit donīt seem right anymore. Actually, I usually just go find a pair of Lowas in the right color, try them on and buy them.
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If it isnīt broken, it doesnīt have enough features yet.