Columbia Alpine Alliance 3-in-1 Jacket - Women'sThe Columbia Alpine Alliance 3 in 1 Jacket is a versatile powerhouse designed to tackle any weather condition you throw at it. This jacket combines a waterproof breathable shell with a warm, insulated liner jacket that can be worn together or separately, making it the ultimate all season piece. The outer shell is crafted from Columbia's Omni Tech fabric that offers excellent protection against rain and snow while maintaining breathability to keep you