The newlywed Catherine wore Smythe Navy One-Button Blazer during the Canada Tour in 2011. This wool SMYTHE jacket features a notched collar and a single-button closure. Welt bust pocket and patch hip pockets. Notched vent at back. Padding at shoulders. 4-button cuffs at long sleeves. Lined. The $695 blazer is available at Neiman Marcus and Shopbop.