Prisoner's Rags is a light armor set. The 5-piece set bonus reduces the cost of Sprint by 50%. While sprinting, restore 1000 Magicka every 1 second.
Prisoner's Rags is part of the base game and drops in Coldharbour in the Overland content. You can also find it on Guild Traders. Each set item is bound on equip. You can acquire light armor, jewelry and weapons for this set in the Soul Shriven motif style.