Do you have a friend that's a pilot where you could borrow their ANR aviation headset to try? It's not going to cut as much as a bone conduction mic, but they are designed for use in noisy environments. I used my Bose A20 on a call earlier today in a running airplane at about 90dB+, with no issues hearing or being heard. I'm not sure they would be as effective in cancelling other noises, though.