Reach for a denim shirt and sweatpants if you're on the hunt for a look idea for when you want to look casually stylish. If you don't know how to finish, a pair of black and white canvas low top sneakers is a nice option. This look is also great if you're searching for summertime wear to make a slow day more bearable. Off-duty looks for stylish teens aren't actually that hard, as you see here.