If you're all about feeling relaxed when it comes to fashion, this combination of a denim shirt and navy jeans is right what you need. Why not complete this look with a pair of black athletic shoes for a dose of stylish effortlessness? As you can see, this look is a really nice idea, especially for unpredictable fall weather, when the temperature is falling. And if we're talking style tips for adolescents, this outfit is ideal.