As you can see here, it doesn't require that much effort for a man to look stylish. Just wear a brown check blazer and grey chinos and you'll look incredibly stylish. Complete your look with a pair of tobacco leather monks to avoid looking too casual. As we all know, the trick to getting through the hottest time of year is wearing easy and breezy combinations like this one. A reliable option for 40-year-old gentlemen who are on the lookout for age-appropriate looks.