Built to take on the worst downpours, the StormLine Stretch Rain Shell is Black Diamond's fully featured rain shell. By combining BD.dry waterproof/breathable/windproof solution with a full feature set and highly stretchable fabric, the StormLine provides reliable protection when the weather breaks.. . This product will be shipped directly from Black Diamond and will leave their warehouse in 2-3 business days. Eligible for UPS ground shipping only. Built with BD.dry - our engineered waterproof/breathable/windproof solution. Stretch shell fabric increases durability and comfort. DWR pit zips for ventilation. Underarm gussets for added mobility. Adjustable, climbing-helmet-compatible hood. YKK reverse coil PU coated center front zipper. Packs into right-hand pocket with carabiner clip loop. Adjustable cuffs and hem. Fit: Regular. Imported.