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 7 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Braemar Gathering — September Women: Smart warm coats and hats. Often with an abundance of tartan. Men: Full highland dress, which means kilts, sporrans, and woolen dress socks. Previous Next Start Slideshow The RoyalsKate MiddletonThe British Royals