Columbia Women's Whirlibird 3-in-1 Interchange Ski & Snowboard Jacket | Slate Blue Grid Pattern Columbia Whirlibird Interchange Jacket! Designed for cold-weather performance and outdoor technical wear, this piece combines full weather protection with a sleek, functional design.  ✨ Features & Details: 3-in-1 Design / Interchange System: Wear the waterproof shell and insulated liner jacket together for maximum warmth or separately depending on conditions.  Color & Pattern: Muted slate blue / steel blue with a subtle mini-grid geometric texture and brass/gold-tone snap button details.  Weather Ready: Features a protective high-collar storm hood with adjustable rear Velcro, storm flap over front closure, and adjustable cuffs with interior sleeve gauntlets.  Functional Storage: Secure zip chest and hand pockets plus designated sleeve