If you don't take your personal style lightly, go for a casually neat ensemble in a gilet and a light blue dress shirt. In the shoe department, go for something on the more elegant end of the spectrum and finish your outfit with a pair of black leather double monks.
Light Blue Dress Shirt with Gilet Dressy Warm Weather Outfits For Men
A semi-casual pairing of a gilet and a light blue dress shirt can maintain its relevance in a variety of occasions. Infuse this ensemble with an extra dose of style by rounding off with black leather derby shoes.