Our most durable, weather protective and waterproof jacket. The GORE-TEX® Pro Shell fabric can withstand a great deal of wear and tear, and makes for a light jacket that keeps out the elements. The Aquaseal® zippers from YKK® is 100% water- and windproof. Large X-open underarm vents can be opened from either direction. The hood is fitted for a helmet, and the cut of the jacket permits a great deal of movement.