Trooping the Colour: What's inside a cavalryman's wardrobe?
14 June 2014 Last updated at 00:03 BST
Trooping the Colour is the highlight of the ceremonial year for the men of the Queen's Household Cavalry and their horses.
But just how much work goes into the perfectly turned out pageantry?
Trooper Tom Lighten of the Blues and Royals showed the BBC's Roya Nikkhah what was in his wardrobe.