This pairing of an olive field jacket and blue jeans is on the off-duty side but is also dapper and incredibly dapper. And if you want to easily dial down your ensemble with a pair of shoes, why not complement this look with work boots? So when spring is in full effect, this ensemble is likely to become your go-to. Think you can't pull off cool casual looks as you slip into your 50s? This combination is undeniable proof of otherwise.