This pairing of a grey hoodie and brown chinos is hard proof that a simple casual look can still look truly dapper. For a more elegant twist, why not throw dark brown leather casual boots into the mix? As you can see here, it's extremely easy to look awesome and stay comfortable when colder days are here, all thanks to outfits like this. As you can see here this look is something you can totally wear as a 20-year-old guy.