Sizing: Size compact fits wrists sized 135mm to 150mm, size medium suits wrists sized 145mm to 165mm, and size large matches wrists sized 160mm to 180mm. The Milanese Loop is named as a result as it's a contemporary interpretation of a design that was designed in Milan, Italy, way back https://cesarltuuu.webbuzzfeed.com/27261569/removing-links-from-citizen-watch-band-no-further-a-mystery