This bold casual combination of a crew-neck t-shirt and black and white sweatpants is very easy to pull together in no time, helping you look amazing and ready for anything without spending too much time rummaging through your wardrobe. Let your sartorial expertise really shine by complementing this outfit with a pair of white athletic shoes. Embracing winter is extremely easy with such ensembles as your style inspo. Overall, a great example of laid-back fashion for teenagers.