Shop Women's at RalphLauren.com, the Official Site of Ralph Lauren. Quilted Mockneck Down Jacket - This quilted down jacket features a warm mockneck and a stylish double-breasted silhouette. Mockneck. Concealed full-zip front. Double-breasted buttoned storm placket. Long sleeves with elasticized cuffs. Vertical welt pockets at the waist. Clean-finished hem. Fully lined and filled. 700 fill power insulation, which has a lightweight feel and provides outstanding warmth. Fill power measures warmth based on the weight of the down. 24½"