If you're scouting for a casual but also stylish outfit, dress in a dark green sweatshirt and charcoal chinos. When not sure as to the footwear, complement this look with white leather low top sneakers. As you can see, it's super easy to look awesome and stay toasty when fall arrives, all thanks to combos like this. Think it's hard for teenage boys to perfect smart looks? This combo should prove you otherwise.