This item is autokeep. This means that if you die with it, you will always keep it.
This piece of armour cannot be made using the Smithing skill. Even though this armour is trimmed, it cannot be obtained from any treasure trail. The cuisse, if part of a full set of the armour, can be stored in the Armour case of a Player-owned house, and comes as part of the Initiate Harness m.