A blue denim jacket and brown chinos are amazing menswear essentials that will integrate really well within your off-duty repertoire. Complement this look with a pair of beige suede desert boots et voila, the look is complete. As the weather starts to get warmer, it's time to get rid of those heavy winter gear and opt for something lighter, like this getup here. As a 30-something Millennial man, you probably want to start dressing maturely. In this case, looks like this are perfect as inspiration.