See Acton.

Shirt-like garment of buckram stuffed with cotton, worn as padding under the hauberk. (Wise, Terence. Medieval Warfare, 246) Related terms: Armor For more information: Arms and Armor

Known also as: Acton, auqueton, haqueton. A version of an arming doublet worn during the 13th, 14th and 15th centuries as a "soft armour" as well as padding for additional armour worn over the top. Typically, they were quilted, then sewn or stuffed with linen, tow or grass.