This casual pairing of a black leather bomber jacket and a white print crew-neck t-shirt is a tested option when you need to look dapper in a flash. Make a bit more effort with shoes and complete your getup with a pair of tan suede chelsea boots. Keep the autumn blues at bay in a seriously stylish look like this one. As a 30-something Millennial gentleman, you probably want to start dressing like a grown-up. If that's the case, inspo like this is very useful.