Gravity’s a Theory Short sleeve t-shirtLooking for a comfortable yet durable t shirt that makes a statement? Look no further than the "Gravity is a theory" short sleeve t shirt! This premium tri blend t shirt offers a unique combination of comfort, durability, and sustainability. Here are some of the key features that make this t shirt a must have: Tri blend fabric: The fabric blend of 50% polyester, 25% combed ring spun cotton, and 25% rayon creates a vintage, fitted look that is both