From Wiktionary, the free dictionary
From the town of Henley in England, where the rowers wore shirts of this type.
henley (plural henleys)
- A type of knit shirt with a front placket but no collar
2007 June 14, Mike Albo, “If You Really Need the Big Price Tag”, in New York Times[1]:I found a long-sleeve henley in a long-john weave of cool, beautifully soft viscose for $125.
