medieval doublet bernhard blackArming doublets were worn under plate armor from the 15th century onward. The laces on the doublet made it possible to attach pieces of armor directly to the doublet. The arming doublet was a development of the gambeson and the 14th century pourpoint. The inside of the doublet is padded, providing protection to the body against blows transmitted through armor pieces. In the late Gothic style (14501500), arming doublets were often fitted with voiders