Medieval suits of armor were created in order to protect the knights during battle and make them more efficient warriors. There were three types of fighting men during the middle ages known as Knights, Foot Soldiers, and Archers. Suit of armor usually consists of the helmet breastplate & backplate, gauntlets, pauldrons (or shoulders), vambraces, couters, sabatons (foot armor), greaves (to protect shins).
Crusader Helmet Has small slits for eyes and breathing/ventilation which may be decorative as well as functional. Covers the breast and the back, however the name is sometimes used to describe the breast- and backplates together.
Gloves that cover from the fingers to the forearms, These medieval pauldrons can easily suit the needs of LARP to medieval re-enactment groups.