Jurassis Grass (Your Ass Is Grass) - Teepublic Male T-Shirt 100% Combed Ringspun Cotton pre-shrunk. 4.3 OZ 100% Combed Ringspun Cotton pre-shrunk to minimize shrinkage. 30 singles, a medium thread weight thats not too thick or thin. 4.3 oz, the perfect weight to carry a graphic without feeling too heavy. Made in Mexico in a safe fair wage factory. Design by LiRoVi