When it had dried to a fitting hardness it was covered with cuir-bouilli, or boiled leather, which made it watertight.
A ridged knee-defence of cuir-bouilli or plate enveloping the knee, over the mail.
cuir-bouilli, leather softened by boiling, during which process it took any form or impression required, and afterwards hardened.
The style was none other than a piecing together of the best features of chain mail, plate, and cuir-bouilli.