You'll be surprised at how extremely easy it is for any gentleman to put together this casual ensemble. Just a white turtleneck worn with dark brown chinos. To bring a more laid-back feel to your getup, add black and white canvas low top sneakers to the equation. This look is a viable choice if you're crafting a killer outfit that will take you from summer to fall. And if we're talking casual dressing ideas for teen boys, this getup is perfect.