What's the difference between those Puigs and Busentiz vulc?
As both guys above already said the sole construction is the main difference but everything is quite diferent on the rest of the shoes too.
So, Puig is a cup (or a faux vulc, hybrid cup vulc, wtvr), has a longer eyestay, more support, mesh+suede upper (more breathable), etc.
Busenitz is a vulc, a little more padded around the ankle and tongue I guess, grippier but less durable outsole, full suede/leather...