The go-to for a neat relaxed outfit for men? A white short sleeve shirt with light blue patchwork jeans. Why not take a classier approach with shoes and introduce tan leather loafers to the equation? When spring is here, you'll appreciate how great this getup is for unpredictable spring weather. As you slip into your 30s, you probably want to start dressing more like a mature gentleman. If that's the case, combinations like this are a surefire option.