If you prefer casual combinations, why not opt for this combo of a charcoal long sleeve shirt and black chinos? When it comes to footwear, go for something on the more elegant end of the spectrum by slipping into black leather loafers. There are many ways to look kick-ass and get through the heatwave, and this here is one of them. Dress like this to pull together a more mature look as a 20-year-old gent.