For something on the classic and casual end, you can easily dress in a light blue dress shirt and brown chinos. Dark brown leather loafers will infuse an extra touch of elegance into an otherwise standard look. You're guaranteed to always look stylish even despite the unbearable heat if you have this ensemble as a last-minute grab. More sophisticated ensembles like this look handsome with grey hair.
A light blue dress shirt and blue chinos are a combination that every dapper guy should have in his menswear arsenal. To add a little flair to this getup, complement your outfit with dark brown leather loafers. As you know, the key to getting through the hottest time of year is sporting summery getups like this one. This combo proves men in their 40s can very well slay in the fashion department.
For an outfit that's street-style-worthy and casually classic, choose a light blue dress shirt and navy chinos. Balance out your look with a dressier kind of shoes, such as this pair of dark brown leather loafers. A great summer wear, you can sport this ensemble all summer long. This combination shows that looking stylish at 40 and beyond is not that daunting a task.
Marry a light blue dress shirt with beige chinos to create an interesting and modern-looking ensemble. Dark brown leather loafers will give an added touch of sophistication to an otherwise utilitarian look. Seeing as it's super hot outside, this combination seems ideal and entirely season-appropriate. Definitely a wonderful option when it comes to outfit ideas for over-40 gentlemen.