To the untrained eye, this outfit really looks like something from the world of military BDU or Special Forces (how you look, of course, matters too: body build, facial expression, and so on).
I don't know what exactly this model is but it looks like Cinzia Araia boots from 2014-15 seasons.
Similar to this one: https://www.vestiairecollective.com/men-shoes/boots/cinzia-araia/black-leather-cinzia-araia-boots-19318889.shtml