<P> The gho or g'ô (Dzongkha: བགོ, IPA: (ɡ̊hoː ˨)) is the traditional and national dress for men in Bhutan . Introduced in the 17th century by Ngawang Namgyal, 1st Zhabdrung Rinpoche, to give the Ngalop people a more distinctive identity, it is a knee - length robe tied at the waist by a cloth belt known as the kera (སྐེད ་ རགས ་). On festive occasions, it is worn with a kabney . </P> <P> The government of Bhutan requires all men to wear the gho if they work in a government office or school . Men are also required to wear the gho on formal occasions . In its modern form, the law dates from 1989, but the driglam namzha dress code is much older . </P>

Gho is a national dresser of which country