The Columbia Whirlibird™ IV Interchange Jacket - Big is designed for all-weather mountain adventures. It includes waterproof-breathable shell and thermal-reflective, insulated liner jackets that can be zipped together for maximum warmth or worn separately. It also has ski pass, goggle, security, chest, and hand pockets, adjustable hood, powder skirt, cuffs, and hem, and discreet underarm vents to keep you comfortable. Get ready for a snow-filled day with this ultimate winter jacket.