The Jetstream is true to it's name. Powerful to punch through miles of abuse and terrain, as well as versatile, this jacket boasts dry warmth for hours on end. With seam lines strategically placed, Sitka minimized wear and tear, along with minimizing the elements of your adventures from breeching your gear. With GORE® WINDSTOPPER® and waterproof features, you can march through storms unfazed, while the formed moisture from you, dissipates away.