A black overcoat and light blue ripped skinny jeans are veritable menswear must-haves if you're piecing together a casual closet that matches up to the highest fashion standards. Feeling venturesome today? Mix things up by rounding off with chelsea boots. With the departure of snow come warmer days and more sunlight and the need for a killer outfit just like this one. This ensemble suggests how to succeed in casual dressing as a 20-year-old.