Does The Order of the Lycan’s Feral Might stack with Improved Predatory Strikes on unarmed attack?

I just wanted to clarify, does The Order of the Lycan’s Feral Might stack with Improved Predatory Strikes on unarmed attack? It does! it gets a bonus to unarmed attack and damage.

— Matthew Mercer (@matthewmercer) January 29, 2020