Teaming a yellow sweatshirt with a crew-neck t-shirt is a savvy idea for a laid-back yet stylish ensemble. You could perhaps get a little creative with footwear and complete this ensemble with a pair of black leather casual boots. So as you can see here, it's a seriously stylish, not to mention spring-friendly, combo to have in your transitional collection. This pairing suggests how teenage guys can succeed in the fashion department.