Shrouded Outfit

 is a set of enchanted clothing worn by members of the Dark Brotherhood found at Falkreath Sanctuary.

Location
The Shrouded Outfit is obtained during the Dark Brotherhood main quest-line, the set is located in the Falkreath Sanctuary on top of a cupboard in the very first room to the right (along with a Shrouded Cowl), just as one enters the Sanctuary.

Festus Krex, Gabriella, and the Spectral Assassin also wear this outfit.