This combo of a dark green cardigan and light blue jeans embodies versatility and stylish comfort. Add brown leather high top sneakers to your look to add a hint of stylish nonchalance to this ensemble. All in all, an ideal example of casual fashion for 20-year-old men.
To put together a casual look with a modernized spin, dress in a dark green cardigan and light blue jeans. Go ahead and complement your outfit with a pair of white print canvas low top sneakers for a more laid-back finish. Casual getups for 20-year-old men aren't actually that hard, as you can see here.