regalia
noun [ U ] uk/rɪˈɡeɪ.li.ə/ us/rɪˈɡeɪ.li.ə/
（尤指供出席典礼等场合用的）盛装，礼服，特别服饰，特别物品
official and traditional special clothes and decorations, especially those worn or carried in formal ceremonies
The queen's regalia at her coronation included her crown and sceptre. 女王在加冕礼上的服饰包括王冠和权杖。
informal humorous套装;盛装;华服
any set of special clothes
The biker was dressed in full regalia, with shiny black leather and lots of chains. 那个骑摩托车的人全副武装，皮衣乌黑发亮，链子挂满全身。