Of course men deserve a cool new haircut for summer as well and here is one that combines all of the things that are trendy for men this season. Very short hair on the sides that gradually lengthens towards the top.
This is done very consequently and the longest section is right in the center. With a little texture throughout he has a very modern, very versatile haircut, that he can style with his hands and more or less product.
He can dress this look up and down to make it fit for the office but also hot when he roams through the streets, lounges poolside or strolls down the beach.