The Proselyte cuisse is a piece of Temple Knight Armour that requires 30 Defence, 20 Prayer, and completion of The Slug Menace quest to equip. It is tied with its plateskirt counterpart, the Proselyte tasset, for giving the highest Prayer bonus of any leg slot equipment.
It has the exact same bonuses as Adamant platelegs, except that it offers +6 Prayer bonus. Like other Proselyte equipment, it is white with a dark-gold trim.
This piece of armour cannot be made using the Smithing skill. Although 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.