Under Armour Run Everywhere T-Shirt The Under Armour Run Everywhere collection was designed to make it easy for a runner to find everything they need, all in one place. Wherever you want to go, this top has got you covered. Using a super-soft cotton blended fabric, this t-shirt is highly breathable and comfortable. It is super soft against your skin and will allow hot air to escape whilst encouraging fresh air to enter for a pleasant cooling sensation. The ribbed collar sits comfortably against the skin and provides a snug, stretchy fit that is guaranteed to impress. Lastly, a side-vent hem design allows for better freedom of movement.