An olive shirt jacket and a cardigan are great menswear must-haves that will integrate really well within your current off-duty arsenal. Why not complement your look with brown suede desert boots for a sense of stylish nonchalance? When temps are dipping and autumn is in the air, you'll love this getup as your favorite for transitional weather. Those who are curious how to wear edgy off-duty looks as you move into your 30s, this combo should answer your question.