Shit, when I read about Diesel I wondered why and how they were involved… But then I'm a known eejit and have been outed many times as being one so… This confession won't even make a dent...
Generally: slightly more room in the top block than B01, bit more taper down the knee (leg opening def is smaller on SEXIH07)… If you size down, it's closer to B01, if you're TTS, in between 634s and B01...