Examples from the Web for bawneen
Bawneen; a loose whitish jacket of home-made undyed flannel worn by men at out-door work.English As We Speak It in Ireland|P. W. Joyce
Little clothes he had on, but on his head a quarter cap, and a sort of a bawneen about him.
Peter Joyce was perfectly content to wear a "bawneen" of homemade flannel and a pair of ragged trousers.Our Casualty And Other Stories|James Owen Hannay, AKA George A. Birmingham