Demonstrate your skills in menswear styling by teaming a grey crew-neck sweater and navy jeans for a casual combo. You can get a bit experimental with footwear and complement your outfit with brown leather casual boots. Dressing smartly is the trick to surviving uncomfortably cold temperatures, but this ensemble is a bright example that you can accomplish this with style. So if you need fashion inspiration for dressing as you pass the big three-oh, this combination is an amazing example.