Shacklebreaker is a craftable set available in all armor types. The 5-piece set bonus adds 2000 Maximum Stamina and 2000 Maximum Magicka.
Shacklebreaker is part of the Morrowind chapter. The crafting station is located in Vvardenfell (Zergonipal). You can craft any armor, weapon or jewelry of this set in any motif style you know, as long as you have 6 traits researched (per item). You can trade crafted pieces to other players. Each set item becomes bound on equip.
ESO
Sets