A beige trenchcoat and black skinny jeans are among the fundamental pieces in any man's well-coordinated casual wardrobe. Charcoal high top sneakers will add a carefree feel to your ensemble. So as you can see, this look is a really savvy pick, especially for summer-to-fall weather, when the temperature is falling. Laid-back getups for 20-year-old men aren't actually that hard, as you can see.