Arc'teryx Sentinel Jacket - Women's: Women's GORE-TEX big mountain ski and snowboard jacket with a warm flannel liner, helmet compatible StormHood(TM), and relaxed, contemporary fit. | AR: All-round. Equipped to handle the vertical aspects of big mountain skiing, the Sentinel AR Jacket is built for freeride touring. Patterning and features align to deliver optimal freedom of motion, breathability and protection. WaterTight(TM) pit zips give rapid ventilation on traverses and ascents, and the integrated powder skirt delivers a secure fit in deep powder. Pockets provide security and are placed for easy accessibility, even with a pack on. The helmet compatible StormHood(TM) cinches securely, giving full coverage and exceptional visibility. Slide'n Loc(TM) attachments link to the Sentinel AR Pant, creating a snowproof system that works as a single unit. The Sentinel AR Jacket was previously the Sentinel Jacket. Features: All Round - High performance weather protection and materials, emphasizing versatility for multiple activities. GORE-TEX - Waterproof, windproof and breathable textiles that offer fully protective environmental shelter. Skiing and Snowboarding - Designed with specific snowsports features for efficient protection, layering and movement.