The New Columbia Plus Size Whirlibirdtm Interchange Jacket (Black Cross-Dye) Women's Coat, female, Apparel , Top , Coat, 1X, true, Layer up with the Whirlibird Interchange Jacket and stay ahead of winter weather with variable warmth and protection from the elements. Regular Fit is an easy lightly relaxed fit for comfortable range of motion. Three-point Interchange System with zip-out design. Outer Softshell Jacket Omni-Tech shell: