Combining a black turtleneck with white corduroy jeans is an amazing idea for a casually dapper ensemble. Go ahead and introduce a pair of work boots to the mix for a dash of stylish nonchalance. With rising temperatures comes springtime and the need for a light and breezy ensemble just like this one. As a 30-something Millennial gent, you probably want to start dressing more maturely. In this case, inspiration like this comes in very handy.