
They are clothes, however, and provide no armor rating.
These are related to the Dark Brotherhood and have many similar bonuses.
Cicero's Gloves – Double sneak attack damage with One-Handed weapons. Cicero's Boots – Wearer is muffled and moves silently. Cicero's Clothes – Prices are 20% better, and damage with One-Handed weapons is 20% better. It can only be obtained from Cicero himself, by choosing to kill him in the culmination of the Dark Brotherhood questline or by pickpocketing him using Perfect Touch.
Ancient Shrouded Cowl – 19 armor, bows do 35% more damage. Ancient Shrouded Gloves – 15 armor, double sneak attack damage with one-handed weapons. Ancient Shrouded Boots – 15 armor, wearer is muffled and moves silently. Ancient Shrouded Armor – 41 armor, increases poison resistance by 100%. She sends the Dragonborn to Deepwood Redoubt, where the upgraded Ancient Shrouded Armor is. Through the quest Breaching Security (if the bonus is earned), a token for a psychic reading from Olava in Whiterun is received. Helmet of the Old Gods – 12 armor, magicka increased by 30. Gauntlets of the Old Gods – 7 armor, bows do 20% more damage. Boots of the Old Gods – 7 armor, sneaking is 20% better. Armor of the Old Gods – 24 armor, Destruction spells cost 15% less to cast. One can still turn on Madanach after receiving the armor set to claim an additional reward from Thonar Silver-Blood.
This armor is given to the Dragonborn during the quest " No One Escapes Cidhna Mine," if Madanach is allowed to escape. In the case of upgradeable sets, they are ordered in the sequence the Dragonborn can receive them.