This casual combination of a beige crew-neck sweater and navy print shorts is a foolproof option when you need to look good but have no time to spare. And if you wish to easily smarten up this ensemble with a pair of shoes, why not add dark brown suede desert boots to this getup? Needless to say, you're looking at a smart choice for a super hot summertime day. Gents who are curious how to pull off cool casual style in your mid-20s, this combo should answer your question.