You'll be surprised at how easy it is to put together this polished outfit. Just a beige waistcoat and navy linen dress pants. To inject a playful vibe into your look, throw a pair of high top sneakers into the mix. This one is a viable pick when it comes to a cool outfit that will take you from summer to fall. As you can see from this look, dressing maturely doesn't mean dressing old-fashioned.