Bose has the ProFlight in-ear headset aimed at commercial flight crews and now Clarity Aloft throws a new model in the mix with the Flex. With FAA TSO, it too is fair game for airline and also general aviation use, but at $725, it's priced lower.
This is a companion discussion topic for the original entry at https://www.avweb.com/ownership/clarity-aloft-intros-new-flex-headset-at-airventure