Consider teaming a black leather bomber jacket with a navy crew-neck t-shirt to put together a casually cool ensemble. The whole getup comes together perfectly if you complement this ensemble with a pair of white canvas low top sneakers. So if you're looking for a killer ensemble that will take you from winter to spring, you found it. Gentlemen who are curious how to sport cool off-duty looks as you head into your 30s, you have your answer.