Mammut Aenergy ML Half Zip Pull Men is a men's technical fleece ideal for mountaineering and ski touring. Made with in Polartec Power Grid it is warm, light and breathable. Comfort is also at the highest levels, being stretchy it will not limit your movements in any way. In addition, the front zip allows you excellent thermoregulation, as well as helping you to put it on and take it off. Mammut Aenergy ML Half Zip Pull Men long-sleeve t-shirts