スーパー・クールビズ
Costume Dress for [[siegfried (fate)|Siegfried]] in [i][[Fate/Grand Order]][/i], evoking a business casual style.

The outfit is based on the "'Cool Biz' campaign":[https://en.wikipedia.org/wiki/Cool_Biz_campaign], which aimed to reduce use of air conditioning for businesses in summer by encouraging workers to wear lighter outfits.
siegfried (super cool biz) (fate)