Two layers of windproof, waterproof, warmth; backed by the Gore-Tex guarantee. What more could you ask for? maybe a moisture-wicking lining to keep you comfortable? These pants have that too. It's watertight zippers add extra protection against the elements and keep the handwarmer pockets warm and ready for use. Built-in articulated knees and mesh-lined vents take the burden away from moments of increased activity. Complete with RECCO technology for backcountry expeditions.