Then followed the young monarch and his chevaliers, dressed after the Roman fashion—the cuirass of gold, the robes of frosted silver, the brodequins wrought with gold and silver mixed; and the casques were of silver, with white plumes tipped with scarlet. All were masked; but the King was easily distinguished by his snowy charger, whose mane was fantastically knitted with scarlet ribands.
Source: wiktionary