Looking at the JS Rockers raw measurements they appear to be more slender in the thigh than the BB. Just note that you probably won't really get any more shrinkage in the BBs (def not OD, little-to-none in the indigo) and they will stretch where needed. I have a pair of 34s that have been worn about a week that I can measure for you if you want. I also have a pair of 33 ODs that have been worn since March that I can measure. Might be good to compare the two.
You could always just order both from Giles (unhemmed) and return the ones that don't work.
I measured my Rockers the same way the Iron Heart measures and it came out slightly bigger. Probably stretched out a bit from the 2 wears.
Thanks for your offer to measure the jeans but no need. I trust the info you've provided and I think the 34s are the way to go.
Having a few pairs of raw indigo jeans already, do I get the ODs or the Indigo? decision decisions