A grey horizontal striped turtleneck looks especially good when combined with charcoal chinos in a laid-back ensemble. Wondering how to finish your getup? Wear a pair of black suede derby shoes to class it up. Rest assured, this ensemble will keep you warm as well as looking stylish in this transeasonal weather. So if you need style tips on how to dress as you head into your 30s, this pairing is an amazing example.