There when you need it—barely there when you don’t. At less than six ounces, the Inner Space Jacket is an ultra-lightweight, easily packable layer that is ready to be deployed in times of need. Utilizing a space-age material with precision, laser-cut taped seams the Inner Space Jacket provides a waterproof and windproof barrier to keep you protected from that unexpected rain squall or chilly evening pack down. The Inner Space Jacket stows away into its own chest pocket, making it quick and easy to toss in a day pack, duffle or glove box.