You'll be amazed at how easy it is for any gent to get dressed like this. Just a white knit wool turtleneck and grey chinos. Stick to a classier route when it comes to footwear by rocking black leather chelsea boots. So if you need style ideas on what to wear as you move through your 20s, this outfit is definitely worth saving for later.
If you're a fan of laid-back style, why not take this combo of a white knit wool turtleneck and grey chinos for a walk? On the shoe front, go for something on the more elegant end of the spectrum and complete your look with a pair of black suede casual boots. A good way to dress to demonstrate your maturity even as a 20-year-old.