This semi-casual combination of a navy blazer and a white and blue vertical striped dress shirt can go in different directions according to the way you style it. Balance out this look with a smarter kind of footwear, like this pair of brown suede tassel loafers. Undoubtedly, you're looking at a nice option for a blazing hot day. Perfect to convey that even as a man in his twenties you're confident enough to hold your own in the style department.