Reach for a navy long sleeve shirt and navy jeans to pull together an interesting and modern-looking casual outfit. If you want to effortlessly rev up your outfit with a pair of shoes, why not introduce black and white leather derby shoes to this look? As you can see here, this outfit is a really good choice, especially for awkward transition weather, when the mercury is getting lower. This pairing should erase any doubts you had about dressier getups during your teen years.