Popsugar Fashion Kate Middleton The Royal Dress Code Rules There Are Very Specific Rules When It Comes to Dressing For the Royal Calendar June 25, 2017 by Marcia Moody View On One Page Photo 10 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Remembrance Service — November Women: All in black. Smart coat and hat. Always pinned with a poppy. Men: Military uniforms pinned with a poppy. William wears his RAF flight lieutenant's uniform and Harry his captain's uniform of the Blues and Royals. Previous Next Start Slideshow The RoyalsKate MiddletonThe British Royals