For the style that looks as cool as it can get, opt for a crew-neck t-shirt and white sweatpants. And if you want to easily bump up this outfit with shoes, add a pair of beige loafers to the equation. As a younger gent, you're guaranteed to appreciate this getup.
Pairing a crew-neck t-shirt with black ripped skinny jeans is an amazing idea for a casual but on-trend look. To bring some extra fanciness to your outfit, complement your outfit with beige loafers. And if we're talking casual dressing ideas for 20-year-old gents, this combination looks cool on almost anyone.