Combining a shirt jacket and a white short sleeve shirt is a fail-safe way to infuse your current routine with some masculine refinement. Go off the beaten track and jazz up your look by finishing with a pair of olive athletic shoes. So if it's a warm afternoon and you want to look seriously stylish without putting too much effort, this ensemble will do the job in next to no time. Perfect if you're looking for some seriously inspiring Millennial off-duty style.