Covering worn under body armor, usually made of wool.

sometimes used to refer to the aketon, the gambeson more commonly in the period referred to a quilted and decorated coat-armour of the late 14th century, worn over the breastplate, or alone.

A quilted doublet of cloth, stuffed with tow, wool, or other materials. They appear to have been worn over maille armours, under them, and instead of them at times. There is confusion and ongoing debate over the exact meanings of this word and the related term aketon.

Quilted doublet with a skirt worn either under armor, over armor, or as armor by itself

Padded tunic-like garment worn under or over maille for protection and comfort. Sometimes called an aketon or jupon.

A defensive garment made of quilted cloth stuffed with waste material. Originally worn under the hauberk as padding. It was often the sole defensive armour for infantry.

A gambeson (or aketon) is a padded defensive jacket, worn as armour separately, or combined with mail or plate armour. Gambeson were produced with a sewing technique called quilting. Usually constructed of linen or wool, the stuffing varied, and could be for example scrap cloth or horse hair.