Product Overview This t-shirt has a NASA worm logo with an astronaut blowing planet bubbles. The material is 100% cotton. This garment is not pre-shrunk. Reviews (1 review) Write a Review 1 Review Hide Reviews Show Reviews 1 False Advertising Posted by Robert D on Sep 8th 2020 Product description says 100% cotton... label on the shirt says it's 65% polyester... WTF? I'm allergic to polyester and cotton is a million times better anyway. Thanks a lot for wasting my time.