A navy crew-neck t-shirt and grey chinos are a cool outfit formula to have in your wardrobe. Introduce white and black leather low top sneakers to this look and off you go looking dashing. So as you can see, it's very easy to look amazing and stay snug when colder days are here, all thanks to combos like this. Looks like this are what at the end of the day will bring you more confidence as a teenage guy.