To create a casual menswear style with a contemporary spin, reach for a multi colored long sleeve shirt and a crew-neck t-shirt. Finishing with black and white canvas high top sneakers is a fail-safe way to add a carefree feel to this ensemble. So as you can see here, it's an on-trend, not to mention season-appropriate, combo to have in your transitional wardrobe. When it comes to outfit ideas for teens, this getup looks cool on almost any guy.