A black and white overcoat and black skinny jeans are the kind of a fail-safe casual getup that you so desperately need when you have no extra time. White low top sneakers provide function, but with a fashion effect. As you can see here, this combo is a really wonderful idea, especially for summer-to-fall weather, when the temperatures are dropping. When it comes to casual fashion tips for men in their 20s, this getup looks cool on most guys.