This combination of a sweater vest and navy skinny jeans provides comfort and efficiency and helps you keep it low-key yet contemporary. Feeling transgressive? Play down this look by rocking grey low top sneakers. Keep the autumn anxiety at bay in a knockout ensemble like this one. As you're moving from your 20s to your 30s, you want to start dressing like a grown-up. In this case, inspo like this proves very useful.