The Outdoor Research Helium II Jacket is a lightweight and packable rain jacket that provides excellent protection against the elements. It is made from waterproof and breathable materials, keeping you dry and comfortable during BASE jumping sessions in unpredictable weather conditions. The jacket features a fully adjustable hood, elastic cuffs, and a drawcord hem to ensure a snug fit and prevent water from seeping in. With its compact design, the Helium II Jacket can be easily stowed in a backpack or clipped onto a harness, making it a convenient and essential piece of gear for any female BASE jumper.