If you're a fan of relaxed combos, then you'll appreciate this combination of a shawl cardigan and navy jeans. Introduce a pair of low top sneakers to the equation to infuse a touch of stylish nonchalance into this ensemble. With the departure of snow come warmer days and more sunlight and the need for a neat ensemble just like this one. Men wondering how to rock cool casual dressing in your early 20s, this combination should answer your question.