Skin of the Ghoul

Skin of the Ghoul is enchanted leather armor +4 which offer an basic armor class of 4 and -3 bonus to saving throws vs paralyzation and poison. This item appears in Baldur's Gate II: Shadows of Amn and Baldur's Gate II: Enhanced Edition. It can be found during the side-quest Find and Destroy the Cult of the Eyeless. It can be found in the area with the undead underneath the area where the Cult of the Eyeless has its base.

In-game description
"A clever thief, Damien Oneknife always tried to gain from the assets of his enemies, no matter the circumstances. After an intense battle with several ghouls in which two of his companions perished, Damien decided to even the odds in future encounters. He skinned one of the undead creatures and brought the hide to a halfling armorer talented in enchanting leather. When the suit was finished it was magically protective against physical attacks and paralyzation. Not very epic perhaps, but practical."