COMFORTABLE DOWN WINTER JACKET: The Columbia Women''s Icy Heights II Mid Length Down Jacket is a fantastic blend of ultra lightweight warmth that only down fill can provide. This is an excellent coat for hard cold weather climates.r 100% DOWN INSULATION: The 450 fill power down and quilt baffling is flexible at all the right points, providing additional loft, versatile fit, and maximum warmth for years of use and enjoyment