If you use a more casual approach to fashion, why not try pairing a cardigan with black shorts? A nice pair of white plimsolls will never go out of style. You totally can look cool and fresh under the scorching heat. The proof is right here
White Plimsolls with Cardigan Summer Outfits For Men
The combo of a cardigan and charcoal shorts makes for a cool casual outfit. The whole ensemble comes together when you complete your look with a pair of white plimsolls. This getup is a winning option if you're looking for a great, summer-friendly getup.