Outdoor Research Helium Jacket

Second Ascent says:
The Men s Helium Jacket by Outdoor Research. The most compressible storm shell is so light it practically floats, or at least it s so light that you won t notice you re carrying it until a sudden downpour bursts into your day. When a big, exposed objective puts you on route for a full day stretching into dark, this jacket packs into its own pocket and can be clipped to your harness for quick access if you need protection from rain, wind, or cooling temps. And it includes all the features needed for true functionality, without any bulky excess. Ultralight, waterproof/breathable 2.5-layer 20D Pertex Shield DS ripstop fabric Fully seam taped Single-pull hood adjustment Ultralight, water-resistant zippers Front zipper has 7 1/2 /19 cm inner stormflap Zippered napoleon pocket Stuff pocket at side hem with hook/loop closure and webbing loop Elastic cuffs Single drawcord hem adjustment Standard FitCloseout