For extreme weather conditions you need an “X”treme shirt. When it’s hot it is stinking hot and the VentX shirt is the most breathable shirt available in the range. VentX’s unique construction and weave offers the strongest vented fabric available whilst still offering extreme heat regulation and moisture management properties. The shirt is designed to be worn over the top or next to your skin. As an over garment, it is best to go up a size. It really doesn’t matter what your wearing if you chuck the High Country Habitat VentX shirt over it you will be instantly concealed.