This pairing of a sweater vest and a black turtleneck is the perfect base for a casually sleek ensemble. Complement your ensemble with black suede loafers to immediately amp up the wow factor of any outfit. On not so cold days, rock a version of this summer-to-autumn ensemble and look absolutely awesome. So if you're after fashion tips on what to wear as you pass the big 3-0, this pairing is definitely worth saving for later.