Under Armour Size Large Disrupt T Shirt, Project Rock, Black & Gray Men’s Tie Dye. Preowned. Gently worn. No stains or flaws. Underarm to underarm approx 21” across. 60% Cotton: A very soft and pleasant material whose properties include tensile strength and elongation at break. 40% Polyester: a very strong synthetic fiber that boasts high heat resistance and excellent odor absorption. Even though the face of the Under Armour Project Rock collection is the ever-so-strong Dwayne Johnson, this armor is not about the name or the logo. It's about the equipment you have to work with and overcome any obstacle. According to the brand itself, Project Rock will give you the strength to overcome doubts, stop the skeptics, and prove them wrong. SH 214