Indisputable proof that a black shirt jacket and light blue jeans look amazing when married together in an off-duty look. Rounding off with light blue canvas high top sneakers is a fail-safe way to infuse a sense of stylish nonchalance into your outfit. Keep this getup in mind when spring comes, and rest assured, you'll save a lot of time planning a look on more than one morning. This getup should clear any doubts you had about dressing casually as a 30-something guy.