The Cloak 'Holcolleth' [1,+4]
A cloth coat typically worn as a loose outer garment. It is spacious
enough to be worn even over bulky metal armour.
This elven-grey mantle possesses great powers of tranquility and of
concealment, and grants the wearer the knowledge and understanding of the
Sindar.
It can be activated for sleep nearby monsters every 55 turns if it is
being worn. It increases your intelligence, wisdom, stealth and speed
by 2. It provides resistance to acid. It cannot be harmed by acid,
cold, lightning or fire.
Level 5, Rarity 25, 1.0 lbs, 13000 Gold

(T.o.M.E. 2.3.5)