GEEK TEEZ Batman Inspired The Flying Graysons Women's Tank Top High quality, preshrunk, super-soft cotton. Most colors are 100% cotton; Heather Grey is 90% cotton/10% polyester. Perfect cut to keep you cool! Vibrant, durable, and unique print featuring pop culture favorites, mashups, and parodies. Screen-printed in-house using water-based, environmentally-friendly inks.