A red shirt jacket and chinos are an easy way to introduce extra sophistication into your day-to-day casual wardrobe. Infuse some casualness into this look via a pair of white espadrilles. So as you can see here, it's an on-trend, not to mention spring-ready, combo to keep in your transeasonal wardrobe. The ability to rock combinations like this is one of the perks of heading into your 30s.