This laid-back pairing of a bomber jacket and a long sleeve t-shirt is super easy to pull together in seconds time, helping you look stylish and prepared for anything without spending too much time rummaging through your wardrobe. The whole ensemble comes together wonderfully when you throw in navy canvas slip-on sneakers. There's nothing like a kick-ass combo to brighten up a dull autumn afternoon. Those who are curious how to pull off cool casual outfits as you progress through your teen years, you have your answer.