This is a reformating of an earlier post.
You can choose one Armor Type for each Body Slot. If the total AC from all your Armor equals your Constitution or less, you can also add your Dexterity (Dodge) to your AC.
Torso Armor Types
+1 AC Padded (fabrics, such as wool sweater layers, gambeson, linen cuirass linothorax, leather jacket, or secured fur cloak)
+1 AC Leather (hard boiled leather forming a fish scale tunic or a solid breastplate cuirass)
+2 AC Wood (lamellar cuirass of tough tiles, such as of wood or bone)
+3 AC Chain (metal shortsleeve chain tunic)
+4 AC Scale (metal squamata tunic or cuirass of brigandine, jack-of-plate, banded segmentata, or tiled lamellar)
+4 AC Plate (metal solid cuirass, breastplate)
Limb Armor Types
+1 AC Padded (longsleeves of Padded robe down below knees)
+1 AC Leather (armguards and legguards of hard boiled leather)
+1 AC Wood (lamellar guards hanging from each shoulder to shield upper arms, and from waist to shield upper legs)
+1 AC Scale (metal banded manica protecting the offhand arm only)
+1 AC Plate (shin guard greeves extending upward above knees)
+2 AC Chain (longsleeves of Chain, and either a robe-like hauberk extending below knees, or adding pants-like chausses)
+2 AC Scale (metal long splints forming armguards and legguards)
+3 AC Plate (renaissance full plate cuirass and fully encasing limbs in metal and guarding joints)
Head Armor Type
+1 AC Helmet (metal helmet, possibly adding mask, cheek guards, visor, chain neckguard aventail or hood of chain shirt)
Each of these Armor Types can come with Armor Properties, such as Noisy or variant armors such as Elven Chain that lacks Noisy.