If you gravitate towards off-duty style, why not try pairing a navy and green plaid long sleeve shirt with a white crew-neck t-shirt? If you wish to easily step up this getup with a pair of shoes, introduce a pair of black leather chelsea boots to this look. As you're maturing from a kid to an adolescent boy, you probably want to look a little older than your age. That's when ensembles like this become very relevant.
Fashionable and functional, this casual combination of a navy and green plaid long sleeve shirt and a white crew-neck t-shirt will provide you with wonderful styling possibilities. Complete this outfit with a pair of navy leather loafers for a masculine aesthetic. As you're transitioning from a kid to an adolescent, you probably want to start dressing more like an adult. That's when inspiration like this comes in very handy.