This smart casual combo of a charcoal blazer and khaki chinos is super easy to pull together without a second thought, helping you look awesome and prepared for anything without spending too much time rummaging through your wardrobe. Avoid looking too formal by finishing off with a pair of white canvas high top sneakers. With rising temperatures come warmer days and the need for a knockout look just like this one. All in all, a wonderful option if we're talking style tips for 40-year-old guys.