Grate piece over all, !
-Nice initial shot, grate mood, pose and over all framing. – values of lighting is perhaps a little dark and more emphasize could be put towards the light source and brim of the hat using stronger rim lights.
-on closer inspection, surface detail could be more implied, stronger normal’s and sculpted detail to indicate different material changes is key to creating a realistic piece. – besides that , good work with the color choice.
-good work with the topology over all, nice density. Perhaps areas around the shoulders can show more edge flow.