Under Armour Tch Vent Geotessa Sn99. From runs to weight sessions, keep cool in this men's Geotessa T-Shirt from Under Armour. In a Downpour Grey colourway, this standard fit tee is cut from light and breathable UA Tech polyester that wicks away sweat. It features short sleeves with a ribbed crew neckline and has breathable mesh panels for ventilation. Finished up with signature Under Armour. Machine washable | Our model is 6'0" with a 40" chest and wears a size M.. Material: 100% Polyester