When worn under metal and chain mail armor its compressed and layered 100% cotton padding will absorb a lot of the impact you expect in your battles. You may want to wear this excellent Cotton Padded Collar in jousting and other types of LARP. With its hard, durable stitching and thickly layered trim as well as 4 Inches of cotton padding protect the neck, you will never need to doubt its protection. It is comfortable and easy to wear due to adjustable straps that fit adult sizes. There are leather armor supports located at the shoulder as well.
This Under Medieval Armor White Cotton Padded Collar is an immense improvement over the rags and straw there were often all medieval folks had for padding!