Why not go for a hot pink linen long sleeve shirt and dark green shorts? As well as super functional, both pieces look awesome when teamed together. And if you need to easily step up this getup with one single piece, complement your look with white suede loafers. As you know, the key to getting through the hottest time of year is opting for easy and breezy looks like this one. Style like this is what eventually will bring you more confidence as a 20-something man.