The Outdoor Research Helium II jacket offers complete storm protection for fast-moving outdoor athletes. It's so light you'll forget it's clipped to your harness until that sudden downpour.

• 2.5-layer Pertex® Shield+ ripstop nylon is incredibly lightweight and supple and offers waterproof, windproof and highly breathable protection
• All seams are sealed for complete protection
• Adjustable hood shields head from the elements
• Interior storm flap sits behind water-resistant front zipper; chin guard protects sensitive skin
• Drawcord hem and elastic cuffs help seal out the elements
• Internal pocket near hip doubles as a stuff sack
• Reflective hood trim improves nighttime profile
• Outdoor Research Helium II jacket has a standard fit that eases layering