Nekomata Coat is an armor item.
Nekomata Coat is armor that can only be equipped by Morgana. In Persona 5, it has the additional effect of boosting the user's evasion against Psy attacks. In Strikers, it instead raises the user's Agility by three.
Nekomata Coats can be found in certain Treasure Chests:
Nekomata Coat can be acquired by washing Sooty Cat's Armor in Yongen-Jaya's laundromat, which costs ¥200 to use. (In Royal only.)