This combination of a black bomber jacket and sweatpants is irrefutable proof that a safe casual getup doesn't have to be boring. If you don't know how to finish, introduce low top sneakers to the equation. Laid-back combinations for stylish 20-something guys aren't actually that hard, as you see here.
A navy shawl cardigan and sweatpants are the kind of a foolproof casual outfit that you so terribly need when you have no extra time. All you need is a pair of low top sneakers. If you're not sure how to dress as a 20-year-old guy, this ensemble is a practical example.
If you gravitate towards relaxed style, why not take this combination of a black print shirt jacket and sweatpants for a walk? A pair of low top sneakers will pull the whole thing together. Casual looks for stylish young gentlemen aren't actually that hard, as you can see here.
If the setting permits casual city styling, you can go for a dark green vertical striped short sleeve shirt and sweatpants. If you wish to immediately up the ante of your ensemble with footwear, complete your ensemble with low top sneakers. This pairing demonstrates that in your twenties your outfit options are looking good.
You'll be surprised at how easy it is for any gentleman to get dressed like this. Just a light blue denim shirt and sweatpants. A good pair of low top sneakers ties this ensemble together. Wondering how to perfect casual dressing in your mid-20s? This combo is a great illustration.