Rei is the perfect basic for all your outfits! Rei is made of a 100% cotton knit which will keep you feeling warm and cozy during the cooler months. With its stylish red/white/blue design, Rei will be sure to have your friends jealous! Rei Ayanami is one of the main characters from the hit anime series, Neon Genesis Evangelion. The Rei Ayanami Merch from Evangelion Shop is a Rei sweater that can be worn or displayed in your room as a piece of art.