I have a predecessor of the AFS 8000 and wide feet and have been quite happy with the fit.
Feet come in lots of shapes and sizes, so measure your foot well (look up a Brannock device online to understand how to use it). I have long arches so maybe that's why the AFS boot fit me?
Ask a knowledgeable rep about the AFS 8000 outer boot sizing. Most plastic boots only come in whole sizes - the half sizes are just different liners. As long as the outer shell can contain your foot comfortably, the inner shell can be, er, modified. The outer shell is not something you can cut holes in. Note also that Asolo probably uses the European shoe sizing system so for best understanding you should think in European sizes.