This refined pairing of a white and red vertical striped dress shirt and a navy suit will be a true demonstration of your outfit coordination prowess. Complete your getup with tan suede loafers and you're all done and looking spectacular. Totally summer-friendly, you can rock a version of this ensemble throughout the summertime. As you're progressing through your late 20s, you want to start dressing with more sophistication. If that's the case, outfits like this are perfect as inspo.