A light blue bomber jacket and jeans are both versatile menswear must-haves that will integrate wonderfully within your current casual collection. To give your overall outfit a more elegant finish, why not complement this look with a pair of brown suede derby shoes? This ensemble is a savvy idea when it comes to picking out a well-coordinated ensemble for weird transition weather. A no-brainer ensemble appropriate for 20-year-old gents who like casual dressing.