As you probably know The Witcher 3: Wild Hunt came with 16 free DLCs with various items, contracts and such to be added to the game over time.
Today GOG.com told us that the fifth and sixth downloadable batch of content is avilable, and the contents are a Nilfgaardian Armor Set (consists of a jacket, gloves, pants, boots and horse armor) and an Elite Crossbow Set for Geralt.
If you're still on the fence regarding The Witcher 3: Wild Hunt, you should check out our review from mid May, or if you just bought the game this guide could prove useful.