On days when comfort is the priority, consider pairing a harrington jacket with a black short sleeve shirt. If you wish to easily play down this look with footwear, go for black and white canvas low top sneakers. So if you're on the hunt for an ensemble that's stylish but also feels entirely spring-ready, this just might be it. Relaxed casual looks for stylish 20-something men aren't actually that hard, as you see here.