We're all seeking practicality when it comes to styling, and this relaxed casual combination of a dark brown leather bomber jacket and a grey track suit is a wonderful example of that. Rounding off with a pair of white leather low top sneakers is a surefire way to introduce a little zing to this look. So so as you can see, it's a killer, not to mention spring-ready, combination to keep in your transeasonal rotation. Now that's how you keep it casual in the style department as a 20-year-old gentleman.