(historical) A defensive garment formerly in use for the body, made of cloth stuffed and quilted, often worn as padding under armor.
(historical) A stuffed jacket worn under the mail, or (later) a jacket plated with mail.
Same as Gambison.
A gambeson (also aketon, padded jack, pourpoint, or arming doublet) is a padded defensive jacket, worn as armor separately, or combined with mail or plate armor. Gambesons were produced with a sewing technique called quilting.