The Battlepass has been a hot topic in Diablo 4, and with Season 1 on the horizon, Blizzard has revealed the Premium Battlepass cosmetic rewards: the Coldiron Armor Set!
Season 1 Developer Update Summary Season of the Malignant Blog Post
The Coldiron Armor Set will have variants for each class, so no one has to worry about progressing the Battlepass on a specific character.