The combo of a charcoal crew-neck t-shirt and a white tank makes for a knockout relaxed casual ensemble. If you need to effortlessly kick up your ensemble with a pair of shoes, why not add a pair of white canvas low top sneakers to the mix? This ensemble is a pretty smart idea, especially for autumn, when the temperature is dropping. Wondering how to nail casual style as you go through your teenage years? This combo is a practical example.