| its the size of the strands. you can get away with just a twisted pair of 22 ga wire that has 32 ga strands if the impedence between the mics and mic pres are balanced. hell, I can amost go as far as saying twisted stranded phone/ethernet cable. The shield helps in noisey RF intensive enviroments and provides a ground return for phantom powered mics.
otherwise, the connectors are much more important as if any resistive difference between pin 2 or 3 from the mic to the board's pin 2 or 3 will cause a type of noise called common mode noise.
fancier cables are just more rugged single twisted pair. But snake wire are bundled for strength overall and jacketed differently compared to a normal mic cable.
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In live sound, we make the band one with the environment, In recording, we define the environment in which the vision of the song is recorded.
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