Armor
Srimad-Bhagavatam
SB Canto 1
SB 1.7.17, Translation:
Arjuna, who is guided by the infallible Lord as friend and driver, thus satisfied the dear lady by such statements. Then he dressed in armor and armed himself with furious weapons, and getting into his chariot, he set out to follow Aśvatthāmā, the son of his martial teacher.