Palaka is a historical Hawaiian fabric.  Palaka is a woven
cotton that dates back to the 1800s.  The word "palaka" is
actually a transliteration of the English word "frock", the
term used for loose fitting, long-sleeved work shirts worn by
the American and British sailors who came to Hawaii.  During
the 1920s, palaka was made of 100% woven cotton which was very
thick and strong.  Many workers in Hawaii used this fabric in
the pineapple and sugar cane fields  Today you can find Palaka
clothing on Hawaiian musicians, celebrities, cowboys (paniolo),
and even in parades.