This slick men's TB Run Mesh T-Shirt from Under Armour is made with lightweight, stretchy material. The full-mesh back delivers strategic ventilation, the UA Threadborne Microthread technology dries faster, and the 4-way stretch construction moves better in every direction. So you can exercise in comfort for longer and still feel fresh at the end of your run. Our model is 6'2" and wears a size medium.. Material: 100% Polyester