A white crew-neck t-shirt and navy sweatpants have become a life-saving casual combo for many sartorially savvy guys. Now all you need is a pair of navy and white athletic shoes to round off this outfit. Piecing together a pulled together combination can be a bit difficult at times on its own. Add uncomfortably cold temperatures into the equation, and the whole thing becomes all the more difficult. No worries, this here is your winter inspo. Wondering how to nail casual style as you move through your teen years? This combination is the perfect answer.