This lightweight Patagonia waterproof shell is designed for high-output mountain and wet-weather use, combining full H2No® Performance Standard protection with stretch comfort and breathability. The 3-layer recycled nylon construction features a soft, wicking knit backer that keeps moisture away from the skin, while remaining flexible for active movement. Built for versatility in changing conditions, it offers ventilation, packability, and durable reinforcement in high-wear areas.