Try teaming a harrington jacket with a crew-neck sweater for a practical menswear style that's also put together. A cool pair of white canvas low top sneakers is an effortless way to give a dash of stylish nonchalance to your ensemble. Keep this combo ready to go when spring sets it, and we guarantee you'll save a ton of time racking your brain for an ensemble on more than one occasion. And if we're talking casual dressing ideas for teens, this outfit looks good on most gents.