He sees the puck well. When he's looking for the puck, only his head moves. He's not moving back and forth. A lot of young goalies make the mistake of moving their body, instead of their head. He doesn't throw the puck away.
Some kids fire it anywhere, just to get rid of it.
He takes his time. When he goes down to stop a shot, he doesn't stay down. He gets right back up and is ready for the next one. He plays a very mature game. He's got poise, and he's spunky.