Jarlshof is the best known prehistoric archeological site in Shetland, Scotland. It lies near the southern tip of the Shetland Mainland and has been described as " one of the most remarkable archeological sites ever excavated in the British Isles ".
Keira Knightley as Guinevere ready for battle. I think that the Picts could have gone to battle in very light armour such as these, but in the case of the women, the breast protectors would've wanted to protect all their breasts, not to show them off. That's not the aim of a breast protector! Apart from that, it's realistic for a very light warrior.
Ancient Picts - Pictish warriors often painted their bodies with a blue dye from a plant called "Woad". The woad would be painted in different shapes, such as animal. They were very fierce fighters, and the Romans feared them. Sometimes Celtic warriors would enter battle wearing nothing but woad and a necklace. This necklace would supposedly hold healing powers.