Bonjour,
Réponse :
Name of popular Irish hobby : step dancing
Posture : very straight with their arms along their bodies
Costumes:
- men & boys : black trousers and black or white shirts, with or without jacket
- women & girls : white socks and bright-coloured Gaelic dress
Meaning of « feis » and origin : it is a step-dancing competition. It dates back to the 18th century when dancing was very popular.