This combination of a black and white blazer and a crew-neck t-shirt is indisputable proof that a simple casual outfit doesn't have to be boring. As for shoes, introduce brown leather casual boots to the mix. While it can be tricky to dress stylish in uncomfortably cold temperatures, it's outfits like this that prove it's quite doable. As a 30-year-old guy, you want to start dressing like a grown man. That's when ensembles like this are a winning option.
Nail the casually classic menswear style by opting for a black and white blazer and a crew-neck t-shirt. Complete this getup with a pair of black leather casual boots to tie the whole look together. With a look like this in your winter sartorial collection, you're guaranteed to keep warm and look awesome despite the cold weather. As you head into your 30s, you want to start dressing like a grown-up. That's when getups like this come in very handy.