I feel pretty dumb asking this- but what is the best way to break in new boots? Just ride them? Walk around in them daily? Wash them? It seems like a pretty big deal to get used to shifting and braking with full motocross boots. Especially when you have only ever worn streetbike shoes.
A streetbike is a little more predictable than a dirtbike. It's difficult when you can barely feel your pegs, let alone the shift and brake levers.
just ride in them as much as you can, washing them wont do anything and it would suck to walk around in a fresh pair of alpinestars, it took around 3-4 hours of riding to "break-in" my alpinestar tech 3s to the point where i can feel my brake and shirt easly, you just gotta moto on untill they feel good
Run what you brung, and hope you brung enough,"
"when in doubt throttle out!" Braaap
Another negative for a beginner is they usually buy less expensive boots. Those can be harder to break in because the leather is not as soft. An option might be a more expensive used pair.