In which form of fencing contest do the competitors wear a sleeveless lamé?

Question

After a scoring controversy at an Olympic Games, the Hungarian and Italian fencing teams satisfied honour with a real live duel, with sabres. In what year was this?

Answer 1

Foil
Lamé is a layer of electrically conductive material worn over the fencing jacket that entirely covers the valid target area, to distinguish on-target and off-target hits.