Armor Proficiency Feat 1
Source Pathfinder Core Rulebook
You become trained in light armor. If you already were trained in light armor, you gain training in medium armor. If you were trained in both, you become trained in heavy armor.
Special You can select this feat more than once. Each time, you become trained in the next type of armor above.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
GeneralA type of feat that any character can select, regardless of ancestry and class, as long as they meet the prerequisites. You can select a feat with this trait when your class grants a general feat.