This pairing of a cardigan and a light blue crew-neck t-shirt will allow you to display your prowess in men's fashion even on dress-down days. Grey suede low top sneakers will be a welcome complement to this getup. So as you can see, it's an on-trend, not to mention spring-friendly, combo to have in your transeasonal wardrobe. All in all, an ideal demonstration of casual style for maturing gentlemen.