War of the Throne
A tree that is most commonly found on the Island of Pyke, which helped House Greyjoy get their reputation for being formidable sailors and pirates.
Ironwood weighs the same as normal wood but acts like Steel for the purposes of defense.
Ironwood Shield: Cost 150gp Armor/Shield Bonus +2 Armor Check Penalty -1 Weight 5lbs
Ironwood Tower Shield: Cost 300gp Armor/Shield Bonus +4 Armor Check Penalty -5 Weight 15lbs