This sophisticated combination of a brown waistcoat and a light blue dress shirt is a common choice among the sartorially superior chaps. As this combo suggests, you can't think of a better option for summer. This pairing demonstrates that as an over-40 gentleman, you have a wide range of dressing options.
Pairing a brown waistcoat with a light blue dress shirt is a good idea for a classic and refined outfit. For something more on the casual end to round off this look, complete this outfit with a pair of tobacco leather brogues. This look is basically a lesson in how to dress for boiling hot sunny weather. This getup shows that as a 40-something gent, you have a wide array of styling options.