Engineered with seam-sealed 2.5L DryVent technology, this reliable jacket completely blocks out the most extreme weather conditions on challenging mountaineering expeditions. But even though it delivers reliable waterproofness, it’s breathable enough to help prevent you from getting too hot and sweaty. The alpine hand pockets, pit zips and helmet-compatible hood ensure it’s outdoor-ready without losing its pared-back looks, meaning you can wear it away from the mountains, too. The North Face Womens Signal 2.5L Dryvent Features: Helmet-compatible, adjustable hood Alpine hand pockets and pit zips for ventilation DryVent shell VELCRO tab at the cuffs Heat transfer logo on the left chest and back-right shoulder This fabric provides an impenetrable barrier to rain and snow for guaranteed dryness and blocks wind from penetrating the garment, greatly reducing the effects of wind chill. Unique fabric technology allows air to pass through the fabric, helping to regulate body temperature and keep you cooler for longer.