Marrying a blazer and a navy v-neck sweater is a guaranteed way to inject masculine sophistication into your current styling rotation. Complement your outfit with a pair of brown suede tassel loafers to immediately bump up the wow factor of any ensemble. If you're looking for a neat winter-to-spring look, this one is great. Gentlemen wondering how to pull off cool off-duty outfits as you reach your 30s, you have your answer.