bawneen

noun3

1. •
   (Ireland) Woven wool or flannel; especially undyed, unbleached wool.
2. •
   (Ireland) A traditional Irish "Aran" sweater.
3. •
   (Ireland) A waistcoat with sleeves, typically worn by labourers and fishermen.

   • Out of the flannel the women made what were called bawneens for the men. A bawneen was a kind of sleeved waistcoat, buttoning up the front. Often trousers were made of this flannel, too. — 1934