Double breasted Classic fit Fully lined Notched lapel One (1) besom chest pocket, two (2) besom front pockets Four (4) interior pockets Double side-vented back Four (4) detail buttons on cuff Flat-front pants Two (2) angled front pant pockets, two (2) back buttoned pant pockets Lined to knee Zippered fly with buttoned waist tab Unfinished bottom hem for custom fit 100-percent rayon lining Dry clean In clothing , the double-breasted refers to a coat or jacket with wide, overlapping front flaps and two parallel columns of buttons or snaps; by contrast, asingle-breasted coat has a narrow overlap and only one column of buttons. In most modern double-breasted coats, one column of buttons is decorative, while the other functional. The other buttons, placed on the outside edge of the coat breast, are either decorative (non-functional) or functional, allowing the overlap to fasten reversibly , right lapel over left lapel.For more info : Check out www.mensusa.com