Striking proportions and layers on the coat...cool zippers at the ankles...most of the outfit is from G-Star.
Simple and effective: jeans rolled up at the ankles, cool suede colored boots, buttoned polo shirt at neck.
Nice Red sunglasses. You can see the front end of his Marc Jacobs Pan Am bag.
Tons of guys in The City can be seen wearing untucked oxford shirts with ties. This gentleman goes one step further with some interesting stitching from Diesel on his coat.