Icebane Breastplate

Icebane Breastplate is a Blacksmithing-made plate chest piece that gives a bonus to stamina, strength, defense and frost resistance. It is also available via Icebane Breastplate (quest).

Source
This item is crafted with Blacksmithing (300); taught once by Craftsman Wilhelm.

Non-blacksmiths can also get this item from Craftsman Wilhelm if they have completed the quest. Wilhelm will make you this item if you supply him the components and.