A grey houndstooth overcoat and a navy shawl-neck sweater: this is it, the outfit of your stylish-versatility dreams. To give your overall outfit a more relaxed feel, why not complete your ensemble with a pair of dark brown suede desert boots? When it comes to dressing for summer-to-fall weather, nothing beats a knockout combo that will keep you warm and looking your best. Now that's how you do semi-formal in your 40s.