Ok Re Helium 2 [win] -
Surprising longevity for such thin material. No Pockets: Only has a small chest pocket. Great "Just-in-case": Ideal for summer storms or wind. Not for Heavy Rain: May wet through in prolonged downpours. Expert & Community Consensus
Weighing approximately 150g , it is extremely lightweight and compresses into its own pocket for easy storage. Ok RE Helium 2 [WiN]
It is fully waterproof and serves as an excellent windproof barrier for hiking or running. Surprising longevity for such thin material