When storm clouds roll in during your alpine adventure, the Black Diamond Strataline Stretch Rain Shell delivers serious weather protection without weighing you down. This women's waterproof jacket combines BD.dry 3-layer technology with stretch nylon construction that moves with you through technical climbing sequences, while the ultralight 317g design packs down into its own pocket to disappear in your pack until you need it. The helmet-compatible hood and zippered underarm vents provide versatile protection and temperature control whether you're belaying in a downpour or pushing through exposed terrain, making this the ultimate mountaineering shell for climbers who refuse to compromise between weather protection and performance.