Consider teaming a grey windbreaker with olive chinos for a casual level of dress. A pair of beige athletic shoes will instantly tone down an all-too-dressy look. Sartorial inspiration like this will help you look amazingly stylish as you make your way through your teen years.
If you appreciate the comfort look, reach for a teal flannel long sleeve shirt and olive chinos. To infuse a hint of stylish effortlessness into this look, introduce a pair of beige athletic shoes to the mix. Now that's how you keep it casual in the fashion department as you work your way through your teens.