Small Shield Affinity: Gnomes increase the AC bonus granted by an equipped small shield by 1.
Elf
Large Shield Affinity: Elves and half-elves increase the AC bonus granted by an equipped large shield by 1.
Dwarf
Tower Shield Affinity: Dwarves increase the AC bonus granted by an equipped tower shield by 1.
Armor training - Dwarves possess an innate familiarity with heavy gear that allows them to move unhindered. They ignore any movement penalties imposed by heavy or medium armor.