This casual street style combo of a black tank and grey sweatpants is super easy to throw together without a second thought, helping you look seriously stylish and ready for anything without spending too much time rummaging through your wardrobe. Wondering how to finish off your look? Wear a pair of grey canvas low top sneakers to ramp up the style factor. Those who are curious how to wear cool casual looks as you drift through your 20s, this combo should answer your question.