A white polo and charcoal jeans are wonderful menswear staples that will integrate really well within your current casual arsenal. For a dressier twist, introduce tan leather loafers to the mix. So if you're on the hunt for an outfit that's stylish but also feels totally spring-friendly, this is it. So if you're scouting for outfit ideas on what to wear as you get into your 30s, this ensemble is a good example.