A pink crew-neck t-shirt and navy chinos are the kind of a no-brainer casual outfit that you need when you have zero time to dress up. Complete your outfit with a pair of white leather low top sneakers and the whole look will come together. Stick with this one if you're on the hunt for a killer summer ensemble. Those who are curious how to pull off modern off-duty looks as you progress through your teenage years, you have your answer.