You'll be amazed at how extremely easy it is for any man to put together this laid-back outfit. Just a navy cable sweater matched with navy jeans. Rounding off with brown athletic shoes is a fail-safe way to bring a dash of stylish nonchalance to this look. So if you're looking for an ensemble that's on-trend but also feels entirely season-appropriate, you found it. This outfit suggests how to keep scoring in the casual style department as a 30-year-old.