flat ring chainmail hauberk shirt riveted and alteChainmail shirts like these were worn from the 11th century onwards. This type of long chainmail shirt, also called a hauberk, features a split. The split provides extra comfort while riding a horse. 11th 12th century depictions show knights almost exclusively with a split in their hauberks. From the 12th to the 14th century, hauberks were worn both with and without splits. Leather laces can be used to easily attach chainmail coifs and armor parts to