Mammut Alvier Hardshell Jacket - Women's: Make the perfect descent with the Alvier HS Hooded Jacket Women, which relies on a lightweight 3-layer GORE-TEXA(R) material with C-Knit lining technology. This makes the jacket durably waterproof, breathable and windproof; it won't let you down in extreme weather conditions. The waterproof zippers, the longer cut and the detachable, elasticated snow skirt offer additional protection, preventing snow and moisture from penetrating. Ideal for extensive ski or snowboard tours. Features Robust, lightweight, noiseless 3-layer GORE-TEXA(R) material with soft, cozy C-KNIT(TM) lining technology Water column: 28,000 mm Vapor permeability: RET