"The Earth is Flat", Is the Earth a flat plane, or is it a round globe? Which team are you on? This cool flat earth t-shirt shows the firmament, sun, moon, stars, polaris, arctic ice wall perimeter and map of flat earth. Unisex Shirt for Men or Women: an everyday favorite. 100% ring-spun cotton (Sport grey is 90% ring-spun cotton+ 10% polyester, Dark heather is 65% polyester+ 35% cotton, Fabric weight: 4.5 oz/y² (153 g/m²). Pre-shrunk for extra durability