Each half (the top and bottom) can be worn independently of one another. They provide bonuses to a player's Prayer skill when worn. They consists of a top and bottom half, with both halves providing the same Prayer bonuses.
The robes used to be members-only, however on 4 December2017, they were made free to play.
If a player attempts to take these items into the Saradomin waiting room of Castle Wars, he/she will be turned into a hare. If they enter the Guthix portal, the player will be turned into a sheep.
These robes were often worn by law rune crafters on Entrana, even though Entrana is a Saradomin-worshipping island. However, after an unannounced update, the monks no longer permit these robes on the island.
Some people mistakenly believe that it is possible to take the Wine of Zamorak bare-handed (without fighting the monks or taking damage) when wearing these, but this is not true.