Men's medium green Under Armor / fitted / Heat Gear / ISO CHILL / short sleeve T-shirt. This shirt is one of Under Armour's signature ISO CHILL vented running shirts. The material of the shirt is amazing! It feels cool to the touch with the same moisture wicking capabilities as the tech T, but only a much higher quality item. This shirt is in excellent condition. It might as well be brand new I don't even think it's been worn once.