This laid-back combination of a white knit wool turtleneck and white chinos can take on different nuances depending on the way it's styled. To give your overall look a more elegant twist, why not add a pair of oxford shoes to your outfit? If you're working your way through your late 20s, take cues from outfits like this to add more gravitas to your wardrobe.
For an outfit that's super easy but can be styled in a multitude of different ways, rock a yellow double breasted blazer with white chinos. For something more on the elegant end to complement this look, complement your getup with a pair of oxford shoes. If you're working your way through your mid-20s, take inspiration from looks like this to add more seriousness to your wardrobe.