The modern man gets caught in a fallow period, style-wise, when he hits his 30s. Does he stick to the rock band T-shirts and jeans combo, or does he upgrade to the “next age up?” The worry of turning 40 for a lot of men signals to the worst of things, they are considered “old” or “out of touch.” That cannot be farther from the truth! If anything, your 40s is where you will really discover your style. Men grow gracefully, boys do not! But if you are hitting the big 4-0 with more than a little concern, here is…